Property:Phenology

Pages using the property "Phenology"

Showing 5000 pages using this property.

View (previous 5,000 | next 5,000) (20 | 50 | 100 | 250 | 500)

E
Echinocactus polycephalus var. polycephalus +Flowering Jul–Aug.  +
Echinocactus polycephalus var. xeranthemoides +Flowering Jun–Aug.  +
Echinocactus texensis +Flowering late spring.  +
Echinocereus arizonicus +Flowering Apr–May  +, fruiting May–Jul.  +
Echinocereus berlandieri +Flowering May–Jun  +, fruiting 2-3 months after flowering.  +
Echinocereus bonkerae +Flowering Mar–May  +, fruiting 2 months after flowering.  +
Echinocereus chisosensis +Flowering Mar–May  +, fruiting 2 months after flowering.  +
Echinocereus coccineus +Flowering late Mar–Jun  +, fruiting 2-3 months after flowering.  +
Echinocereus dasyacanthus +Flowering Mar–May  +, fruiting Jun–Aug.  +
Echinocereus davisii +Flowering Feb–Mar  +, fruiting 1 1/2-2 months after flowering.  +
Echinocereus engelmannii +Flowering Mar–Apr  +, fruiting May–Jul.  +
Echinocereus enneacanthus var. brevispinus +Flowering Apr–Jul  +, fruiting Jul–Sep.  +
Echinocereus enneacanthus var. enneacanthus +Flowering (Mar-)Apr(-Aug)  +, fruiting 3-4 months after flowering.  +
Echinocereus fasciculatus +Flowering Mar–Jun  +, fruiting May–Jul.  +
Echinocereus fendleri +Flowering Apr–Jun  +, fruiting Jun–Aug.  +
Echinocereus ledingii +Flowering May–Jun  +, fruiting 3 1/2 months after flowering.  +
Echinocereus nicholii +Flowering Mar–Apr  +, fruiting Jun.  +
Echinocereus papillosus +Flowering early spring  +, fruiting 2 months after flowering.  +
Echinocereus pectinatus var. wenigeri +Flowering Mar–May  +, fruiting May–Jul.  +
Echinocereus pentalophus +Flowering Apr–May  +, fruiting 3-4 months after flowering.  +
Echinocereus poselgeri +Flowering Mar–Apr  +, fruiting 2 1/2-3 months after flowering.  +
Echinocereus pseudopectinatus +Flowering times not well known  +, fruiting 2 months after flowering.  +
Echinocereus reichenbachii +Flowering early May-late Jun  +, fruiting 1 1/2-2 1/2 months after flowering.  +
Echinocereus rigidissimus var. rigidissimus +Flowering late spring–summer (May–Jul)  +, fruiting 3 months after flowering.  +
Echinocereus stramineus var. stramineus +Flowering Mar–Jul  +, fruiting mostly Aug.  +
Echinocereus triglochidiatus +Flowering Apr–Jun  +, fruiting 2-2 1/2 months after flowering.  +
Echinocereus viridiflorus +Flowering Mar–Jun  +, fruiting 2 months after flowering.  +
Echinocystis lobata +Flowering May–Sep(–Oct).  +
Echinodorus berteroi +Flowering mid summer–fall.  +
Echinodorus cordifolius subsp. cordifolius +Flowering late summer–early fall.  +
Echinodorus floridanus +Flowering summer–fall.  +
Echinodorus tenellus +Flowering summer–fall.  +
Echinomastus erectocentrus var. acunensis +Flowering Mar–Apr  +, fruiting Apr–May.  +
Echinomastus erectocentrus var. erectocentrus +Flowering Mar–May.  +
Echinomastus intertextus var. dasyacanthus +Flowering Feb–Apr  +, fruiting Apr–Jun.  +
Echinomastus intertextus var. intertextus +Flowering Feb–Apr  +, fruiting Apr–Jun.  +
Echinomastus johnsonii +Flowering (Feb-)Mar–May  +, fruiting Apr–Jun.  +
Echinomastus mariposensis +Flowering Feb–Mar  +, fruiting Apr.  +
Echinomastus warnockii +Flowering Feb–Mar  +, fruiting May–Jul.  +
Echinopepon coulteri +Flowering Aug–Sep.  +
Echinopepon wrightii +Flowering Jun–Oct.  +
Echinophyllum sachalinense +Capsule maturity unknown.  +
Echinops exaltatus +Flowering summer (Jun–Sep).  +
Echinops ritro subsp. ruthenicus +Flowering summer (Jun–Aug).  +
Echinops sphaerocephalus +Flowering summer (Jun–Aug).  +
Eclipta prostrata +Flowering year round, mostly summer–fall.  +
Edgeworthia gardneri +Flowering spring (May–early Jun).  +
Egeria densa +Flowers summer–fall.  +
Egletes viscosa +Flowering Jan–Mar.  +
Eichhornia azurea +Flowering (probably) Jun–Oct.  +
Eichhornia crassipes +Flowering early spring–late fall.  +
Elaeis guineensis +Flowering spring-- through summer.  +
Elatine ambigua +Flowering late spring–summer.  +
Elatine americana +Flowering summer–early fall.  +
Elatine brachysperma +Flowering summer–early fall.  +
Elatine californica +Flowering summer.  +
Elatine chilensis +Flowering summer.  +
Elatine heterandra +Flowering summer.  +
Elatine minima +Flowering summer.  +
Elatine ojibwayensis +Flowering summer.  +
Elatine rubella +Flowering summer.  +
Elatine triandra +Flowering summer–early fall.  +
Eleocharis acicularis +Fruiting spring–fall.  +
Eleocharis aestuum +Fruiting summer–fall (Jul–Oct).  +
Eleocharis albida +Fruiting summer.  +
Eleocharis ambigens +Fruiting spring–summer.  +
Eleocharis atropurpurea +Fruiting summer–fall (Jun–Sep).  +
Eleocharis baldwinii +Fruiting early spring–winter.  +
Eleocharis bella +Fruiting spring–summer.  +
Eleocharis bernardina +Fruiting summer.  +
Eleocharis bicolor +Fruiting summer–late fall.  +
Eleocharis bifida +Fruiting spring–summer (May–Jun).  +
Eleocharis bolanderi +Fruiting late spring–summer.  +
Eleocharis brachycarpa +Fruiting winter–spring.  +
Eleocharis brittonii +Fruiting mid spring–winter.  +
Eleocharis cancellata +Fruiting fall (Sep).  +
Eleocharis cellulosa +Fruiting late spring–winter.  +
Eleocharis coloradoensis +Fruiting summer–fall (north), spring–fall (far south).  +
Eleocharis compressa var. acutisquamata +Fruiting spring–summer.  +
Eleocharis compressa var. compressa +Fruiting late spring–winter.  +
Eleocharis cylindrica +Fruiting spring–summer.  +
Eleocharis decumbens +Fruiting summer–fall.  +
Eleocharis diandra +Fruiting late summer–fall.  +
Eleocharis elliptica +Fruiting late spring–summer.  +
Eleocharis elongata +Fruiting late spring–late fall.  +
Eleocharis engelmannii +Fruiting spring–fall.  +
Eleocharis equisetoides +Fruiting late spring–late fall.  +
Eleocharis erythropoda +Fruiting summer.  +
Eleocharis fallax +Fruiting late summer.  +
Eleocharis flavescens var. flavescens +Fruiting mid spring–winter.  +
Eleocharis flavescens var. olivacea +Fruiting summer–winter (Jun–Nov).  +
Eleocharis geniculata +Fruiting spring–winter (Mar–Dec).  +
Eleocharis intermedia +Fruiting (spring–)summer–fall.  +
Eleocharis interstincta +Fruiting late spring–winter.  +
Eleocharis kamtschatica +Fruiting summer.  +
Eleocharis lanceolata +Fruiting summer to fall.  +
Eleocharis macrostachya +Fruiting spring–summer, all year in s Texas and Louisiana.  +
Eleocharis mamillata subsp. mamillata +Fruiting summer.  +
Eleocharis melanocarpa +Fruiting summer.  +
Eleocharis microcarpa var. filiculmis +Fruiting spring–fall.  +
Eleocharis microcarpa var. microcarpa +Fruiting spring–fall.  +
Eleocharis minima +Fruiting mid spring–fall.  +
Eleocharis montana +Fruiting winter–fall.  +
Eleocharis montevidensis +Fruiting spring–fall.  +
Eleocharis nana +Fruiting summer–winter.  +
Eleocharis nigrescens +Fruiting summer–winter.  +
Eleocharis nitida +Fruiting late spring (Jun)–summer.  +
Eleocharis obtusa +Fruiting summer–fall.  +
Eleocharis obtusetrigona +Fruiting spring–fall.  +
Eleocharis occulta +Fruiting spring (Mar–May), sometimes summer (Jul).  +
Eleocharis ovata +Fruiting summer–fall.  +
Eleocharis pachycarpa +Fruiting late spring–summer.  +
Eleocharis palustris +Fruiting summer.  +
Eleocharis parishii +Fruiting spring–fall.  +
Eleocharis parvula +Fruiting summer–fall (north) or late winter–fall (far south).  +
Eleocharis quadrangulata +Fruiting early summer–winter.  +
Eleocharis quinqueflora +Fruiting (spring–)summer.  +
Eleocharis radicans +Fruiting spring–winter (Apr–Dec).  +
Eleocharis ravenelii +Fruiting spring–fall.  +
Eleocharis retroflexa +Fruiting summer.  +
Eleocharis reverchonii +Fruiting late winter–spring (Feb–Apr).  +
Eleocharis robbinsii +Fruiting late spring–late fall.  +
Eleocharis rostellata +Fruiting late spring in south, summer–fall in north.  +
Eleocharis suksdorfiana +Fruiting late spring–summer.  +
Eleocharis tenuis var. pseudoptera +Fruiting spring (Mar–Apr) in South, early summer (Jun–Jul) in North.  +
Eleocharis tenuis var. tenuis +Fruiting summer.  +
Eleocharis tenuis var. verrucosa +Fruiting summer.  +
Eleocharis torticulmis +Fruiting summer (Jun–Jul).  +
Eleocharis tortilis +Fruiting spring (in south)–fall.  +
Eleocharis tricostata +Fruiting late spring–summer.  +
Eleocharis tuberculosa +Fruiting spring (in south)–fall.  +
Eleocharis uniglumis +Fruiting summer.  +
Eleocharis vivipara +Fruiting spring–fall.  +
Eleocharis wolfii +Fruiting late spring–early summer (May–Jun).  +
Elephantopus carolinianus +Flowering Aug–Sep(–Oct).  +
Elephantopus elatus +Flowering Aug–Sep.  +
Elephantopus nudatus +Flowering Aug–Oct.  +
Elephantopus tomentosus +Flowering Aug–Sep.  +
Elliottia pyroliflora +Flowering Jun–Jul.  +
Elliottia racemosa +Flowering late spring–early summer.  +
Elmera racemosa +Flowering Jul–Aug.  +
Elodea bifoliata +Flowering summer–fall.  +
Elodea canadensis +Flowering summer.  +
Elodea nuttallii +Flowering summer.  +
Elodium blandowii +Capsules mature spring.  +
Elodium elodioides +Capsules mature late spring.  +
Elodium paludosum +Capsules mature spring.  +
Eltroplectris calcarata +Flowering Jan–Mar.  +
Emex australis +Flowering year-round.  +
Emex spinosa +Flowering year-round.  +
Emilia fosbergii +Flowering probably year round, mostly Oct–Mar.  +
Emilia sonchifolia +Flowering probably year round, mostly Oct–Mar.  +
Emorya suaveolens +Flowering Jun–Oct  +, fruiting Jul–Nov.  +
Empetrum atropurpureum +Flowering spring.  +
Empetrum eamesii +Flowering spring.  +
Empetrum nigrum +Flowering spring.  +
Encelia actoni +Flowering Feb–Jul.  +
Encelia californica +Flowering Feb–Oct.  +
Encelia farinosa +Flowering Feb–May, Aug–Sep.  +
Encelia frutescens +Flowering Feb–May, Aug–Sep.  +
Encelia nutans +Flowering Apr.  +
Encelia resinifera +Flowering May–Jul, Sep.  +
Encelia scaposa +Flowering Mar–Apr.  +
Encelia virginensis +Flowering Apr–Jun, Dec.  +
Enceliopsis argophylla +Flowering Apr–May.  +
Enceliopsis covillei +Flowering Apr–Jun.  +
Enceliopsis nudicaulis +Flowering Apr–Aug.  +
Encyclia tampensis +Flowering May–Sep  +, fruiting throughout year.  +
Enemion biternatum +Flowering spring.  +
Enemion hallii +Flowering late spring–early summer.  +
Enemion occidentale +Flowering early spring.  +
Enemion savilei +Flowering spring.  +
Enemion stipitatum +Flowering late winter–early spring.  +
Engelmannia peristenia +Flowering Apr–Jul.  +
Entodontopsis leucostega +Capsules mature winter.  +
Ephedra antisyphilitica +Coning March–April.  +
Ephedra aspera +Coning March–April.  +
Ephedra californica +Coning March–April.  +
Ephedra coryi +Coning March–April.  +
Ephedra cutleri +Coning late winter–midspring (Mar–May).  +
Ephedra fasciculata +Coning March–April.  +
Ephedra funerea +Coning March–April.  +
Ephedra nevadensis +Coning late winter–midspring.  +
Ephedra pedunculata +Coning midwinter–early spring.  +
Ephedra torreyana +Coning spring.  +
Ephedra trifurca +Coning late winter–early spring.  +
Ephedra viridis +Coning spring.  +
Ephemerum cohaerens +Capsules mature year around.  +
Ephemerum crassinervium var. crassinervium +Capsules mature year around.  +
Ephemerum crassinervium var. texanum +Capsules mature year around, mostly in spring, autumn, and winter.  +
Ephemerum serratum +Capsules mature year around, mostly in autumn.  +
Ephemerum spinulosum +Capsules maturing year around.  +
Epidendrum acunae +Flowering May–Jun.  +
Epidendrum amphistomum +Flowering Dec–Jul.  +
Epidendrum floridense +Flowering Aug–Oct  +, fruiting Dec–Apr.  +
Epidendrum magnoliae +Flowering Jun–Jan, sporadically in fall  +, fruiting Oct–Jan.  +
Epidendrum nocturnum +Flowering Sep–Mar  +, fruiting Jan–Apr, sporadically throughout year.  +
Epidendrum rigidum +Flowering Sep–Dec  +, fruiting spring.  +
Epidendrum strobiliferum +Flowering Oct–Nov, Mar.  +
Epifagus virginiana +Flowering Jul–Oct.  +
Epigaea repens +Flowering Feb–Jul.  +
Epipactis atrorubens +Flowering Aug.  +
Epipactis gigantea +Flowering throughout summer (Mar–Aug).  +
Epipactis helleborine +Flowering Jun–Oct.  +
Epiphyllum phyllanthus var. hookeri +Flowering spring–late summer.  +
Epipterygium tozeri +Capsules mature spring (Apr–Jun).  +
Epithelantha bokei +Flowering spring–early summer (May–Jun)  +, fruiting summer–fall.  +
Epithelantha micromeris var. micromeris +Flowering late winter–early spring (Feb–Apr)  +, fruiting late spring–early summer (Apr–Jun).  +
Epixiphium wislizeni +Flowering Apr–Nov.  +
Equisetum arvense +Cones maturing in early spring.  +
Equisetum fluviatile +Cones maturing in summer.  +
Equisetum hyemale subsp. affine +Cones maturing in summer, old stems sometimes developing branches with cones in spring.  +
Equisetum laevigatum +Cones maturing in spring–early summer.  +
Equisetum palustre +Cones maturing in summer.  +
Equisetum pratense +Cones maturing in late spring.  +
Equisetum ramosissimum subsp. ramosissimum +Cones maturing in summer.  +
Equisetum scirpoides +Cones maturing in summer, or cones overwintering and shedding spores in spring.  +
Equisetum sylvaticum +Cones maturing in late spring.  +
Equisetum telmateia subsp. braunii +Cones maturing in early spring.  +
Equisetum variegatum subsp. alaskanum +Cones maturing in late summer, or cones overwintering and shedding spores in spring.  +
Equisetum variegatum subsp. variegatum +Cones maturing in late summer, or cones overwintering and shedding spores in spring.  +
Equisetum ×ferrissii +Cones maturing in late spring–early summer but spores not shed.  +
Equisetum ×litorale +Cones maturing in early summer, but misshapen spores not shed.  +
Equisetum ×mackaii +Cones maturing in late summer, but misshapen spores not shed.  +
Equisetum ×nelsonii +Cones maturing in early summer, but spores not shed.  +
Eranthis hyemalis +Flowering late winter–early spring.  +
Erechtites glomeratus +Flowering summer–early fall.  +
Erechtites hieraciifolius var. hieraciifolius +Flowering summer–early fall.  +
Erechtites hieraciifolius var. megalocarpus +Flowering summer–early fall.  +
Erechtites minimus +Flowering summer–early fall.  +
Eremalche exilis +Flowering late winter–spring.  +
Eremalche parryi subsp. kernensis +Flowering late winter–spring.  +
Eremalche parryi subsp. parryi +Flowering late winter–spring.  +
Eremalche rotundifolia +Flowering mid winter–late spring.  +
Eremocrinum albomarginatum +Flowering spring (Apr–Jun).  +
Eremogone aberrans +Flowering late spring–summer.  +
Eremogone aculeata +Flowering summer–early fall.  +
Eremogone capillaris var. americana +Flowering late spring–summer.  +
Eremogone capillaris var. capillaris +Flowering summer.  +
Eremogone congesta var. cephaloidea +Flowering summer.  +
Eremogone congesta var. charlestonensis +Flowering summer.  +
Eremogone congesta var. congesta +Flowering spring–summer.  +
Eremogone congesta var. crassula +Flowering summer.  +
Eremogone congesta var. lithophila +Flowering summer.  +
Eremogone congesta var. prolifera +Flowering late spring–summer.  +
Eremogone congesta var. simulans +Flowering spring–early summer.  +
Eremogone congesta var. subcongesta +Flowering late spring–summer.  +
Eremogone congesta var. suffrutescens +Flowering late spring–early summer.  +
Eremogone eastwoodiae var. adenophora +Flowering late spring–late summer.  +
Eremogone eastwoodiae var. eastwoodiae +Flowering late spring–late summer.  +
Eremogone fendleri +Flowering spring–late summer.  +
Eremogone ferrisiae +Flowering spring–summer.  +
Eremogone franklinii var. franklinii +Flowering summer.  +
Eremogone franklinii var. thompsonii +Flowering summer.  +
Eremogone hookeri var. hookeri +Flowering spring–summer.  +
Eremogone hookeri var. pinetorum +Flowering spring–summer.  +
Eremogone kingii var. glabrescens +Flowering late spring–summer.  +
Eremogone kingii var. kingii +Flowering late spring–summer.  +
Eremogone macradenia var. arcuifolia +Flowering late spring–early summer.  +
Eremogone macradenia var. macradenia +Flowering spring–summer.  +
Eremogone pumicola +Flowering summer.  +
Eremogone stenomeres +Flowering spring.  +
Eremogone ursina +Flowering late spring–summer.  +
Erica cinerea +Flowering late spring–summer.  +
Erica lusitanica +Flowering late spring–summer.  +
Erica tetralix +Flowering late spring–summer.  +
Erica vagans +Flowering late spring–summer.  +
Ericameria albida +Flowering late summer–fall.  +
Ericameria arborescens +Flowering late summer–fall.  +
Ericameria arizonica +Flowering fall.  +
Ericameria bloomeri +Flowering summer–fall.  +
Ericameria brachylepis +Flowering late summer–fall.  +
Ericameria cervina +Flowering late summer–fall.  +
Ericameria compacta +Flowering late summer–fall.  +
Ericameria cooperi var. cooperi +Flowering spring–early summer.  +
Ericameria crispa +Flowering late summer–fall.  +
Ericameria cuneata var. cuneata +Flowering late summer–fall.  +
Ericameria cuneata var. macrocephala +Flowering late summer–fall.  +
Ericameria cuneata var. spathulata +Flowering late summer–fall.  +
Ericameria discoidea +Flowering late summer–fall.  +
Ericameria ericoides +Flowering late summer–fall, occasionally in spring.  +
Ericameria fasciculata +Flowering summer–fall, occasionally in spring.  +
Ericameria gilmanii +Flowering late summer–fall.  +
Ericameria greenei +Flowering summer–fall.  +
Ericameria laricifolia +Flowering fall.  +
Ericameria lignumviridis +Flowering late summer–fall.  +
Ericameria linearifolia +Flowering spring–early summer.  +
Ericameria linearis +Flowering late summer–fall.  +
Ericameria nana +Flowering summer–fall.  +
Ericameria nauseosa var. arenaria +Flowering late summer–fall.  +
Ericameria nauseosa var. bernardina +Flowering late summer–fall.  +
Ericameria nauseosa var. bigelovii +Flowering late summer–fall.  +
Ericameria nauseosa var. ceruminosa +Flowering late summer–fall.  +
Ericameria nauseosa var. graveolens +Flowering late summer–fall.  +
Ericameria nauseosa var. hololeuca +Flowering late summer–fall.  +
Ericameria nauseosa var. iridis +Flowering late summer.  +
Ericameria nauseosa var. juncea +Flowering late summer–fall.  +
Ericameria nauseosa var. latisquamea +Flowering fall.  +
Ericameria nauseosa var. leiosperma +Flowering late summer–fall.  +
Ericameria nauseosa var. mohavensis +Flowering late summer–fall.  +
Ericameria nauseosa var. nana +Flowering late summer–fall.  +
Ericameria nauseosa var. nauseosa +Flowering late summer–fall.  +
Ericameria nauseosa var. nitida +Flowering late summer–fall.  +
Ericameria nauseosa var. oreophila +Flowering late summer–fall.  +
Ericameria nauseosa var. psilocarpa +Flowering later summer–fall.  +
Ericameria nauseosa var. salicifolia +Flowering later summer–fall.  +
Ericameria nauseosa var. speciosa +Flowering late summer–fall.  +
Ericameria nauseosa var. texensis +Flowering fall.  +
Ericameria nauseosa var. turbinata +Flowering late summer–fall.  +
Ericameria nauseosa var. washoensis +Flowering late summer–fall.  +
Ericameria obovata +Flowering late summer–fall.  +
Ericameria ophitidis +Flowering summer–fall.  +
Ericameria palmeri var. pachylepis +Flowering fall.  +
Ericameria palmeri var. palmeri +Flowering fall–winter(–spring).  +
Ericameria paniculata +Flowering late summer–fall.  +
Ericameria parishii var. parishii +Flowering late summer–fall.  +
Ericameria parryi var. affinis +Flowering late summer–fall.  +
Ericameria parryi var. aspera +Flowering late summer–fall.  +
Ericameria parryi var. attenuata +Flowering late summer–fall.  +
Ericameria parryi var. howardii +Flowering late summer–fall.  +
Ericameria parryi var. imula +Flowering late summer–fall.  +
Ericameria parryi var. latior +Flowering late summer–fall.  +
Ericameria parryi var. monocephala +Flowering late summer–fall.  +
Ericameria parryi var. montana +Flowering late summer–fall.  +
Ericameria parryi var. nevadensis +Flowering late summer–fall.  +
Ericameria parryi var. parryi +Flowering late summer–fall.  +
Ericameria parryi var. salmonensis +Flowering late summer–fall.  +
Ericameria parryi var. vulcanica +Flowering late summer–fall.  +
Ericameria pinifolia +Flowering late summer–fall(–spring).  +
Ericameria resinosa +Flowering late summer–fall.  +
Ericameria suffruticosa +Flowering mid summer–fall.  +
Ericameria teretifolia +Flowering fall.  +
Ericameria watsonii +Flowering late summer–fall.  +
Ericameria winwardii +Flowering late summer–fall.  +
Ericameria zionis +Flowering summer–fall.  +
Erigeron abajoensis +Flowering Jul–Aug.  +
Erigeron acomanus +Flowering late May–Jul.  +
Erigeron acris var. kamtschaticus +Flowering Jun–Aug(–Sep).  +
Erigeron aequifolius +Flowering Jul–Aug.  +
Erigeron algidus +Flowering Jul–Aug.  +
Erigeron aliceae +Flowering Jun–Aug(–Sep).  +
Erigeron allocotus +Flowering May–Aug.  +
Erigeron alpiniformis +Flowering Jun–Aug.  +
Erigeron anchana +Flowering (Apr–)Jun–Nov.  +
Erigeron annuus +Flowering Jun–Aug(–Nov).  +
Erigeron aphanactis var. aphanactis +Flowering Apr–Sep.  +
Erigeron aphanactis var. congestus +Flowering May–Sep.  +
Erigeron arenarioides +Flowering Jun–Aug.  +
Erigeron argentatus +Flowering May–Jul.  +
Erigeron arisolius +Flowering May–Jun(–Nov).  +
Erigeron arizonicus +Flowering (May–)Jul–Sep(–Oct).  +
Erigeron asperugineus +Flowering Jul–Aug.  +
Erigeron aureus +Flowering Jun–Aug(–Sep).  +
Erigeron barbellulatus +Flowering Jun–Jul(–Aug).  +
Erigeron basalticus +Flowering May–Jun(–Oct).  +
Erigeron bellidiastrum var. arenarius +Flowering Mar–Jun (or sporadically with rain).  +
Erigeron bellidiastrum var. bellidiastrum +Flowering May–Aug(–Sep).  +
Erigeron bellidiastrum var. robustus +Flowering May–Jul(–Sep).  +
Erigeron bigelovii +Flowering Apr–Nov (with available moisture).  +
Erigeron biolettii +Flowering Jun–Sep.  +
Erigeron blochmaniae +Flowering Jul–Oct.  +
Erigeron bloomeri var. bloomeri +Flowering May–Jul(–Aug).  +
Erigeron bloomeri var. nudatus +Flowering May–Jul(–Sep).  +
Erigeron breweri var. bisanctus +Flowering May–Sep.  +
Erigeron breweri var. breweri +Flowering Jun–Sep.  +
Erigeron breweri var. covillei +Flowering May–Sep.  +
Erigeron breweri var. jacinteus +Flowering Jun–Sep.  +
Erigeron breweri var. porphyreticus +Flowering May–Aug(–Sep).  +
Erigeron caespitosus +Flowering Jun–Aug.  +
Erigeron calvus +Flowering Apr–May.  +
Erigeron canaani +Flowering Apr–Jun(–Jul).  +
Erigeron canus +Flowering May–Jul(–Aug).  +
Erigeron cascadensis +Flowering Jun–Aug.  +
Erigeron cavernensis +Flowering Jun–Jul.  +
Erigeron cervinus +Flowering (May–)Jun–Aug(–Sep).  +
Erigeron chrysopsidis var. austiniae +Flowering May–Jun(–Jul).  +
Erigeron chrysopsidis var. brevifolius +Flowering Jun–Jul(–Aug).  +
Erigeron chrysopsidis var. chrysopsidis +Flowering May–Jul(–Aug).  +
Erigeron clokeyi var. clokeyi +Flowering Jun–Sep.  +
Erigeron clokeyi var. pinzliae +Flowering Jun–Sep.  +
Erigeron compactus +Flowering May–Jun.  +
Erigeron compositus +Flowering (May–)Jun–Aug.  +
Erigeron concinnus var. concinnus +Flowering Apr–Jun(–Aug, –Oct).  +
Erigeron concinnus var. condensatus +Flowering May–Jul.  +
Erigeron concinnus var. subglaber +Flowering May–Jul.  +
Erigeron consimilis +Flowering May–Jun.  +
Erigeron corymbosus +Flowering Jun–Aug.  +
Erigeron coulteri +Flowering (Jun–)Jul–Sep.  +
Erigeron cronquistii +Flowering May–Jul.  +
Erigeron davisii +Flowering (Apr–)May–Jul.  +
Erigeron decumbens +Flowering May–Jul.  +
Erigeron denalii +Flowering Jun–Aug.  +
Erigeron disparipilus +Flowering May–Aug.  +
Erigeron divergens +Flowering (Feb–)Apr–Oct.  +
Erigeron eatonii var. eatonii +Flowering May–Aug.  +
Erigeron eatonii var. lavandulus +Flowering May–Aug.  +
Erigeron eatonii var. nevadincola +Flowering May–Jul.  +
Erigeron eatonii var. plantagineus +Flowering May–Aug.  +
Erigeron eatonii var. sonnei +Flowering May–Sep.  +
Erigeron eatonii var. villosus +Flowering Jun–Aug.  +
Erigeron elatior +Flowering Jul–Sep.  +
Erigeron elatus +Flowering (Jun–)Jul–Aug.  +
Erigeron elegantulus +Flowering Jun–Jul.  +
Erigeron elmeri +Flowering Jun–Sep.  +
Erigeron engelmannii +Flowering (Apr–)May–Jul.  +
Erigeron evermannii +Flowering Jul–Aug.  +
Erigeron eximius +Flowering Jul–Oct.  +
Erigeron filifolius +Flowering May–Aug.  +
Erigeron flabellifolius +Flowering Jul–Aug.  +
Erigeron flagellaris +Flowering May–Aug(–Sep).  +
Erigeron flettii +Flowering Jul–Aug.  +
Erigeron foliosus var. confinis +Flowering May–Aug.  +
Erigeron foliosus var. foliosus +Flowering May–Aug(–Sep).  +
Erigeron foliosus var. franciscensis +Flowering May–Oct.  +
Erigeron foliosus var. hartwegii +Flowering Apr–Jul.  +
Erigeron foliosus var. mendocinus +Flowering May–Aug.  +
Erigeron formosissimus var. formosissimus +Flowering Jul–Sep.  +
Erigeron formosissimus var. viscidus +Flowering Jun–Sep.  +
Erigeron garrettii +Flowering Jun–Aug.  +
Erigeron geiseri +Flowering late Mar–May(–Jun).  +
Erigeron glabellus var. glabellus +Flowering May–Aug.  +
Erigeron glabellus var. pubescens +Flowering (May–)Jun–Aug.  +
Erigeron glacialis var. glacialis +Flowering Jul–Sep.  +
Erigeron glacialis var. hirsutus +Flowering Jul–Aug.  +
Erigeron glaucus +Flowering (Mar–)May–Jul(–Dec).  +
Erigeron goodrichii +Flowering Jul–Aug.  +
Erigeron gracilis +Flowering Jun–Aug.  +
Erigeron grandiflorus +Flowering Jul–Aug(–Sep).  +
Erigeron greenei +Flowering May–Sep.  +
Erigeron heliographis +Flowering May–Jul.  +
Erigeron hessii +Flowering May–Jun.  +
Erigeron howellii +Flowering May–Jul.  +
Erigeron humilis +Flowering Jun–Aug(–Sep).  +
Erigeron hyperboreus +Flowering Jun–Aug.  +
Erigeron hyssopifolius +Flowering Jun–Aug.  +
Erigeron inornatus var. calidipetris +Flowering Jun–Aug.  +
Erigeron inornatus var. inornatus +Flowering Jun–Sep(–Oct).  +
Erigeron inornatus var. keilii +Flowering Jun–Sep.  +
Erigeron jonesii +Flowering May–Aug(–Sep).  +
Erigeron kachinensis +Flowering Jun–Aug.  +
Erigeron karvinskianus +Flowering Apr–Aug.  +
Erigeron klamathensis +Flowering Jun–Sep.  +
Erigeron kuschei +Flowering Jun–Aug(–Oct).  +
Erigeron lackschewitzii +Flowering Jul–Aug.  +
Erigeron lanatus +Flowering Jul–Aug.  +
Erigeron lassenianus var. deficiens +Flowering Jun–Sep.  +
Erigeron lassenianus var. lassenianus +Flowering Jun–Sep.  +
Erigeron latus +Flowering May–Jul(–Aug).  +
Erigeron leibergii +Flowering Jun–Aug(–Sep).  +
Erigeron leiomerus +Flowering Jun–Sep.  +
Erigeron lemmonii +Flowering Aug–Oct(–Dec).  +
Erigeron linearis +Flowering May–Jul(–Aug).  +
Erigeron lobatus +Flowering (Jan–)Feb–May(–Oct).  +
Erigeron lonchophyllus +Flowering (Jun–)Jul–Aug(–Sep).  +
Erigeron maguirei +Flowering May–Jul.  +
Erigeron mancus +Flowering Jun–Jul.  +
Erigeron maniopotamicus +Flowering Jun–Aug.  +
Erigeron mariposanus +Flowering Jun–Aug.  +
Erigeron melanocephalus +Flowering Jul–Aug.  +
Erigeron miser +Flowering Jul–Oct.  +
Erigeron modestus +Flowering (Mar–)Apr–Jun(–Oct).  +
Erigeron muirii +Flowering Jul–Aug.  +
Erigeron multiceps +Flowering Jun–Aug.  +
Erigeron nanus +Flowering May–Jun.  +
Erigeron nauseosus +Flowering May–Aug.  +
Erigeron nematophyllus +Flowering May–Aug.  +
Erigeron neomexicanus +Flowering (Jul–)Aug–Oct(–Dec).  +
Erigeron nivalis +Flowering May–Aug.  +
Erigeron ochroleucus +Flowering Jun–Aug.  +
Erigeron oreganus +Flowering May–Sep.  +
Erigeron oreophilus +Flowering Jul–Oct(–Nov).  +
Erigeron ovinus +Flowering Jun–Aug.  +
Erigeron oxyphyllus +Flowering (Feb–)May–Jun(–Nov).  +
Erigeron pallens +Flowering Jul–Aug.  +
Erigeron parishii +Flowering May–Jun(–Aug).  +
Erigeron parryi +Flowering Jun–Aug.  +
Erigeron peregrinus var. peregrinus +Flowering (Jun–)Jul–Sep.  +
Erigeron peregrinus var. thompsonii +Flowering Jun–Aug.  +
Erigeron petrophilus var. petrophilus +Flowering May–Sep.  +
Erigeron petrophilus var. sierrensis +Flowering Jul–Oct.  +
Erigeron petrophilus var. viscidulus +Flowering Jul–Sep.  +
Erigeron philadelphicus var. glaber +Flowering Jun–Aug(–sporadically year-round).  +
Erigeron philadelphicus var. philadelphicus +Flowering (Feb–)Mar–Jun(–Aug, in ne United States, Canada, and high elevations).  +
Erigeron philadelphicus var. provancheri +Flowering May–Aug.  +
Erigeron pinnatisectus +Flowering late Jun–Aug.  +
Erigeron piperianus +Flowering May–Jun.  +
Erigeron piscaticus +Flowering May–Jul(–Oct) (perhaps both earlier and later after rain).  +
Erigeron poliospermus var. cereus +Flowering Apr–Jul.  +
Erigeron poliospermus var. disciformis +Flowering Jun–Jul.  +
Erigeron poliospermus var. poliospermus +Flowering Apr–Jun(–Aug).  +
Erigeron porsildii +Flowering (Jun–)Jul–Aug(–Sep).  +
Erigeron pringlei +Flowering May–Aug(–Sep).  +
Erigeron procumbens +Flowering (Feb–)Mar–Jun(–Jul).  +
Erigeron pulchellus var. brauniae +Flowering Apr–Jun.  +
Erigeron pulchellus var. pulchellus +Flowering Mar–May(–Jul).  +
Erigeron pulchellus var. tolsteadii +Flowering May–Jun.  +
Erigeron pulcherrimus +Flowering May–Jun.  +
Erigeron pumilus var. intermedius +Flowering May–Aug.  +
Erigeron pumilus var. pumilus +Flowering May–Jul(–Aug).  +
Erigeron purpuratus +Flowering Jun–Aug.  +
Erigeron pygmaeus +Flowering Jul–Aug.  +
Erigeron quercifolius +Flowering (Feb–)Mar–Jun.  +
Erigeron radicatus +Flowering May–Aug.  +
Erigeron reductus var. angustatus +Flowering Jun–Aug.  +
Erigeron reductus var. reductus +Flowering Jun–Aug.  +
Erigeron religiosus +Flowering May–Sep.  +
Erigeron rhizomatus +Flowering May–Jul.  +
Erigeron robustior +Flowering Jun–Jul.  +
Erigeron rybius +Flowering Jul–Sep.  +
Erigeron rydbergii +Flowering Jun–Aug.  +
Erigeron salishii +Flowering Jul–Sep.  +
Erigeron salmonensis +Flowering May–Jun.  +
Erigeron sanctarum +Flowering Mar–Jun.  +
Erigeron saxatilis +Flowering Apr–Jul(–Oct).  +
Erigeron sceptrifer +Flowering Jul–Oct.  +
Erigeron scopulinus +Flowering May–Jun(–Jul).  +
Erigeron serpentinus +Flowering May–Aug.  +
Erigeron sionis var. sionis +Flowering May–Sep.  +
Erigeron sionis var. trilobatus +Flowering Jul–Sep.  +
Erigeron sivinskii +Flowering May–Jun.  +
Erigeron sparsifolius +Flowering Jun–Sep.  +
Erigeron speciosus +Flowering Jul–Oct.  +
Erigeron strigosus var. calcicola +Flowering (Apr–)May–Oct.  +
Erigeron strigosus var. dolomiticola +Flowering late May–Oct.  +
Erigeron strigosus var. septentrionalis +Flowering (Apr–)May–Oct.  +
Erigeron strigosus var. strigosus +Flowering (Apr–)May–Oct.  +
Erigeron subglaber +Flowering Jul–Aug.  +
Erigeron subtrinervis +Flowering (Jun–)Jul–Sep.  +
Erigeron supplex +Flowering May–Aug.  +
Erigeron tenellus +Flowering Feb–May.  +
Erigeron tener +Flowering Jun–Sep.  +
Erigeron tenuis +Flowering mid Mar–May(–Jun, –Nov).  +
Erigeron tracyi +Flowering Mar–Oct.  +
Erigeron trifidus +Flowering Jul–Aug.  +
Erigeron tweedyi +Flowering Jun–Aug.  +
Erigeron uintahensis +Flowering (Jun–)Jul–Aug.  +
Erigeron uncialis var. conjugans +Flowering May–Aug.  +
Erigeron uncialis var. uncialis +Flowering May–Jul.  +
Erigeron uniflorus var. eriocephalus +Flowering (Jun–)Jul–Aug.  +
Erigeron untermannii +Flowering May–Jun.  +
Erigeron ursinus +Flowering Jul–Sep.  +
Erigeron utahensis +Flowering mid Apr–Jun(–Jul).  +
Erigeron vagus +Flowering late Jun–Aug.  +
Erigeron velutipes +Flowering Mar–May.  +
Erigeron vernus +Flowering (Mar–)Apr–Aug(–Oct).  +
Erigeron versicolor +Flowering Apr–Jun(–Oct).  +
Erigeron vetensis +Flowering May–Jul(–Aug).  +
Erigeron vicinus +Flowering Jun–Aug.  +
Erigeron vreelandii +Flowering Jul–Sep(–Oct).  +
Erigeron watsonii +Flowering Jul–Sep.  +
Erigeron wilkenii +Flowering May–Jun.  +
Erigeron yukonensis +Flowering (Jun–)Jul–Aug(–Sep).  +
Eriobotrya japonica +Flowering spring.  +
Eriocaulon aquaticum +Flowering spring–fall.  +
Eriocaulon cinereum +Flowering summer–fall.  +
Eriocaulon compressum +Flowering late winter–spring.  +
Eriocaulon decangulare +Flowering late spring–summer.  +
Eriocaulon koernickianum +Flowering spring–early fall.  +
Eriocaulon lineare +Flowering mostly summer–fall.  +
Eriocaulon microcephalum +Flowering summer–fall.  +
Eriocaulon nigrobracteatum +Flowering spring.  +
Eriocaulon parkeri +Flowering summer–fall.  +
Eriocaulon ravenelii +Flowering late summer–winter.  +
Eriocaulon texense +Flowering in spring.  +
Eriogonum abertianum +Flowering year-round.  +
Eriogonum acaule +Flowering May–Jul.  +
Eriogonum alatum var. alatum +Flowering Jun–Oct.  +
Eriogonum alatum var. glabriusculum +Flowering Jul–Oct.  +
Eriogonum aliquantum +Flowering Jun–Aug.  +
Eriogonum allenii +Flowering Jun–Oct.  +
Eriogonum alpinum +Flowering Jul–Sep.  +
Eriogonum ammophilum +Flowering Jun–Sep.  +
Eriogonum ampullaceum +Flowering Jul–Sep.  +
Eriogonum androsaceum +Flowering Jul–Aug.  +
Eriogonum anemophilum +Flowering May–Aug.  +
Eriogonum angulosum +Flowering year-round.  +
Eriogonum annuum +Flowering Apr–Nov.  +
Eriogonum apiculatum +Flowering May–Nov.  +
Eriogonum apricum var. apricum +Flowering Jun–Oct.  +
Eriogonum apricum var. prostratum +Flowering Jun–Sep.  +
Eriogonum arborescens +Flowering Apr–Oct.  +
Eriogonum arcuatum var. arcuatum +Flowering Jun–Oct.  +
Eriogonum arcuatum var. rupicola +Flowering Jun–Oct.  +
Eriogonum arcuatum var. xanthum +Flowering Jul–Sep.  +
Eriogonum aretioides +Flowering May–Jul.  +
Eriogonum argillosum +Flowering Mar–Oct.  +
Eriogonum argophyllum +Flowering Jun–Sep.  +
Eriogonum arizonicum +Flowering Mar–Jun and Aug–Nov.  +
Eriogonum artificis +Flowering Aug–Sep.  +
Eriogonum atrorubens var. atrorubens +Flowering Jun–Oct.  +
Eriogonum baileyi var. baileyi +Flowering May–Oct.  +
Eriogonum baileyi var. praebens +Flowering Jun–Oct.  +
Eriogonum batemanii +Flowering Jun–Sep.  +
Eriogonum bicolor +Flowering Apr–Jul.  +
Eriogonum bifurcatum +Flowering May–Jun.  +
Eriogonum brachyanthum +Flowering Apr–Nov.  +
Eriogonum brachypodum +Flowering year-round.  +
Eriogonum brandegeei +Flowering Jul–Oct.  +
Eriogonum breedlovei var. breedlovei +Flowering Jun–Sep.  +
Eriogonum breedlovei var. shevockii +Flowering Jun–Oct.  +
Eriogonum brevicaule var. bannockense +Flowering Jun–Sep.  +
Eriogonum brevicaule var. brevicaule +Flowering Jun–Sep.  +
Eriogonum brevicaule var. caelitum +Flowering Jul–Sep.  +
Eriogonum brevicaule var. canum +Flowering Jul–Sep.  +
Eriogonum brevicaule var. cottamii +Flowering Jun–Sep.  +
Eriogonum brevicaule var. laxifolium +Flowering Jun–Sep.  +
Eriogonum brevicaule var. micranthum +Flowering Jun–Sep.  +
Eriogonum brevicaule var. nanum +Flowering Jul–Sep.  +
Eriogonum butterworthianum +Flowering Jun–Sep.  +
Eriogonum caespitosum +Flowering Apr–Jul.  +
Eriogonum capillare +Flowering Sep–Oct.  +
Eriogonum cernuum +Flowering Apr–Oct.  +
Eriogonum chrysops +Flowering May–Jul.  +
Eriogonum cinereum +Flowering year-round.  +
Eriogonum cithariforme var. agninum +Flowering May–Oct.  +
Eriogonum cithariforme var. cithariforme +Flowering May–Oct.  +
Eriogonum clavatum +Flowering year-round.  +
Eriogonum clavellatum +Flowering May–Jul.  +
Eriogonum codium +Flowering May–Aug.  +
Eriogonum collinum +Flowering May–Nov.  +
Eriogonum coloradense +Flowering Jul–Sep.  +
Eriogonum compositum var. compositum +Flowering Apr–Jul.  +
Eriogonum compositum var. lancifolium +Flowering May–Jul.  +
Eriogonum compositum var. leianthum +Flowering May–Jul.  +
Eriogonum concinnum +Flowering May–Sep.  +
Eriogonum congdonii +Flowering Jul–Sep.  +
Eriogonum contiguum +Flowering Apr–Jun.  +
Eriogonum contortum +Flowering May–Aug.  +
Eriogonum correllii +Flowering Jul–Oct.  +
Eriogonum corymbosum var. aureum +Flowering Aug–Oct.  +
Eriogonum corymbosum var. corymbosum +Flowering Jul–Oct.  +
Eriogonum corymbosum var. glutinosum +Flowering Jul–Oct.  +
Eriogonum corymbosum var. heilii +Flowering Jul–Aug.  +
Eriogonum corymbosum var. nilesii +Flowering Aug–Nov.  +
Eriogonum corymbosum var. orbiculatum +Flowering Aug–Oct.  +
Eriogonum corymbosum var. revealianum +Flowering Jul–Sep.  +
Eriogonum corymbosum var. velutinum +Flowering Aug–Oct.  +
Eriogonum covilleanum +Flowering Apr–Aug.  +
Eriogonum crocatum +Flowering Apr–Jul.  +
Eriogonum cronquistii +Flowering Jul–Sep.  +
Eriogonum crosbyae +Flowering May–Aug.  +
Eriogonum cusickii +Flowering Jun–Jul.  +
Eriogonum darrovii +Flowering May–Sep.  +
Eriogonum dasyanthemum +Flowering May–Oct.  +
Eriogonum davidsonii +Flowering May–Sep.  +
Eriogonum deflexum var. baratum +Flowering Jul–Oct.  +
Eriogonum deflexum var. deflexum +Flowering year-round.  +
Eriogonum deflexum var. nevadense +Flowering Jun–Oct.  +
Eriogonum deserticola +Flowering Jul–Jan.  +
Eriogonum desertorum +Flowering May–Aug.  +
Eriogonum diatomaceum +Flowering Jun–Sep.  +
Eriogonum diclinum +Flowering Jun–Sep.  +
Eriogonum divaricatum +Flowering May–Oct.  +
Eriogonum douglasii var. douglasii +Flowering May–Jul.  +
Eriogonum douglasii var. elkoense +Flowering May–Jul.  +
Eriogonum douglasii var. meridionale +Flowering Apr–Jun.  +
Eriogonum eastwoodianum +Flowering May–Sep.  +
Eriogonum effusum +Flowering Jun–Sep.  +
Eriogonum elatum var. elatum +Flowering May–Oct.  +
Eriogonum elatum var. villosum +Flowering Jun–Sep.  +
Eriogonum elegans +Flowering May–Nov.  +
Eriogonum elongatum var. elongatum +Flowering (Jan-)Jul–Nov(-Dec).  +
Eriogonum ephedroides +Flowering Jun–Oct.  +
Eriogonum eremicola +Flowering Jun–Sep.  +
Eriogonum eremicum +Flowering Jun–Sep.  +
Eriogonum ericifolium +Flowering Aug–Nov.  +
Eriogonum esmeraldense var. esmeraldense +Flowering May–Oct.  +
Eriogonum esmeraldense var. toiyabense +Flowering Jun–Sep.  +
Eriogonum evanidum +Flowering Jul–Oct.  +
Eriogonum exaltatum +Flowering May–Oct.  +
Eriogonum exilifolium +Flowering Jun–Sep.  +
Eriogonum fasciculatum var. fasciculatum +Flowering year-round.  +
Eriogonum fasciculatum var. flavoviride +Flowering year-round.  +
Eriogonum fasciculatum var. foliolosum +Flowering year-round.  +
Eriogonum fasciculatum var. polifolium +Flowering year-round.  +
Eriogonum flavum var. aquilinum +Flowering Jul–Aug.  +
Eriogonum flavum var. flavum +Flowering Jun–Sep.  +
Eriogonum flavum var. piperi +Flowering Jun–Sep.  +
Eriogonum fusiforme +Flowering Apr–Jul.  +
Eriogonum giganteum var. compactum +Flowering May–Oct.  +
Eriogonum giganteum var. formosum +Flowering May–Sep.  +
Eriogonum giganteum var. giganteum +Flowering year-round.  +
Eriogonum gilmanii +Flowering May–Sep.  +
Eriogonum glandulosum +Flowering May–Nov.  +
Eriogonum gordonii +Flowering May–Oct.  +
Eriogonum gossypinum +Flowering year-round.  +
Eriogonum gracile var. gracile +Flowering year-round.  +
Eriogonum gracile var. incultum +Flowering Jul–Oct.  +
Eriogonum gracilipes +Flowering Jul–Sep.  +
Eriogonum gracillimum +Flowering year-round.  +
Eriogonum grande var. grande +Flowering Mar–Oct.  +
Eriogonum grande var. rubescens +Flowering Apr–Sep.  +
Eriogonum grande var. timorum +Flowering Apr–Oct.  +
Eriogonum greggii +Flowering Jul–May.  +
Eriogonum gypsophilum +Flowering May–Sep.  +
Eriogonum havardii +Flowering May–Sep.  +
Eriogonum heermannii var. argense +Flowering Apr–Nov.  +
Eriogonum heermannii var. clokeyi +Flowering Jun–Sep.  +
Eriogonum heermannii var. floccosum +Flowering May–Oct.  +
Eriogonum heermannii var. heermannii +Flowering May–Nov.  +
Eriogonum heermannii var. humilius +Flowering Jun–Oct.  +
Eriogonum heermannii var. occidentale +Flowering Jul–Oct.  +
Eriogonum heermannii var. subspinosum +Flowering Mar–May.  +
Eriogonum heermannii var. sulcatum +Flowering Apr–Oct.  +
Eriogonum helichrysoides +Flowering Jul–Sep.  +
Eriogonum hemipterum var. hemipterum +Flowering Jun–Oct.  +
Eriogonum heracleoides var. heracleoides +Flowering May–Sep.  +
Eriogonum heracleoides var. leucophaeum +Flowering May–Jul.  +
Eriogonum hieracifolium +Flowering Jun–Oct.  +
Eriogonum hirtellum +Flowering Jul–Sep.  +
Eriogonum hirtiflorum +Flowering May–Oct.  +
Eriogonum hoffmannii var. hoffmannii +Flowering Jul–Sep.  +
Eriogonum hoffmannii var. robustius +Flowering Aug–Nov.  +
Eriogonum holmgrenii +Flowering Jul–Sep.  +
Eriogonum hookeri +Flowering Jun–Oct.  +
Eriogonum howellianum +Flowering Jun–Sep.  +
Eriogonum hylophilum +Flowering Jul–Sep.  +
Eriogonum incanum +Flowering Jun–Sep.  +
Eriogonum inerme var. hispidulum +Flowering May–Sep.  +
Eriogonum inerme var. inerme +Flowering May–Aug.  +
Eriogonum inflatum +Flowering year-round.  +
Eriogonum intrafractum +Flowering May–Oct.  +
Eriogonum jamesii var. jamesii +Flowering Jun–Oct.  +
Eriogonum jamesii var. simplex +Flowering Jun–Aug.  +
Eriogonum jamesii var. undulatum +Flowering Jul–Oct.  +
Eriogonum jonesii +Flowering Aug–Nov.  +
Eriogonum kelloggii +Flowering May–Aug.  +
Eriogonum kennedyi var. alpigenum +Flowering Jul–Aug.  +
Eriogonum kennedyi var. austromontanum +Flowering Jun–Aug.  +
Eriogonum kennedyi var. kennedyi +Flowering Apr–Jul.  +
Eriogonum kennedyi var. pinicola +Flowering May–Jun.  +
Eriogonum kennedyi var. purpusii +Flowering May–Jul.  +
Eriogonum kingii +Flowering Jun–Sep.  +
Eriogonum lachnogynum var. colobum +Flowering May–Jul.  +
Eriogonum lachnogynum var. lachnogynum +Flowering Jul–Oct.  +
Eriogonum lachnogynum var. sarahiae +Flowering May–Jul.  +
Eriogonum lancifolium +Flowering Jul–Oct.  +
Eriogonum latens +Flowering Jun–Aug.  +
Eriogonum latifolium +Flowering year-round.  +
Eriogonum lemmonii +Flowering May–Jun.  +
Eriogonum leptocladon var. leptocladon +Flowering Jun–Oct.  +
Eriogonum leptocladon var. papiliunculi +Flowering Jun–Oct.  +
Eriogonum leptocladon var. ramosissimum +Flowering Jun–Oct.  +
Eriogonum leptophyllum +Flowering Jul–Nov.  +
Eriogonum libertini +Flowering Jun–Aug.  +
Eriogonum lobbii +Flowering Jun–Aug.  +
Eriogonum loganum +Flowering May–Aug.  +
Eriogonum lonchophyllum +Flowering Jun–Oct.  +
Eriogonum longifolium var. gnaphalifolium +Flowering Mar–Sep.  +
Eriogonum longifolium var. harperi +Flowering Jun–Sep.  +
Eriogonum longifolium var. longifolium +Flowering May–Oct.  +
Eriogonum luteolum var. caninum +Flowering May–Oct.  +
Eriogonum luteolum var. luteolum +Flowering Jul–Nov.  +
Eriogonum luteolum var. pedunculatum +Flowering Jun–Oct.  +
Eriogonum luteolum var. saltuarium +Flowering Jul–Sep.  +
Eriogonum maculatum +Flowering Apr–Nov.  +
Eriogonum mancum +Flowering May–Jul.  +
Eriogonum marifolium var. cupulatum +Flowering Jun–Aug.  +
Eriogonum marifolium var. marifolium +Flowering Jun–Aug.  +
Eriogonum mensicola +Flowering Jul–Oct.  +
Eriogonum microthecum var. alpinum +Flowering Jul–Sep.  +
Eriogonum microthecum var. ambiguum +Flowering Jul–Sep.  +
Eriogonum microthecum var. arceuthinum +Flowering Jul–Sep.  +
Eriogonum microthecum var. corymbosoides +Flowering Jul–Sep.  +
Eriogonum microthecum var. johnstonii +Flowering Jul–Sep.  +
Eriogonum microthecum var. lacus-ursi +Flowering Jul–Aug.  +
Eriogonum microthecum var. lapidicola +Flowering Jul–Sep.  +
Eriogonum microthecum var. laxiflorum +Flowering Jun–Oct.  +
Eriogonum microthecum var. microthecum +Flowering Jul–Sep.  +
Eriogonum microthecum var. panamintense +Flowering Jul–Oct.  +
Eriogonum microthecum var. phoeniceum +Flowering Jul–Sep.  +
Eriogonum microthecum var. schoolcraftii +Flowering Jul–Sep.  +
Eriogonum microthecum var. simpsonii +Flowering Jun–Oct.  +
Eriogonum mitophyllum +Flowering Jul–Sep.  +
Eriogonum mohavense +Flowering May–Sep.  +
Eriogonum molestum +Flowering May–Sep.  +
Eriogonum mortonianum +Flowering Jul–Sep.  +
Eriogonum multiflorum var. multiflorum +Flowering Aug–Nov.  +
Eriogonum multiflorum var. riograndis +Flowering Aug–Nov.  +
Eriogonum natum +Flowering Jul–Oct.  +
Eriogonum nealleyi +Flowering Jun–Sep.  +
Eriogonum nervulosum +Flowering May–Oct.  +
Eriogonum nidularium +Flowering Mar–Oct.  +
Eriogonum niveum +Flowering Jun–Oct.  +
Eriogonum nortonii +Flowering May–Aug.  +
Eriogonum novonudum +Flowering May–Sep.  +
Eriogonum nudum var. auriculatum +Flowering May–Oct.  +
Eriogonum nudum var. decurrens +Flowering Jul–Oct.  +
Eriogonum nudum var. deductum +Flowering Jun–Sep.  +
Eriogonum nudum var. indictum +Flowering May–Oct.  +
Eriogonum nudum var. murinum +Flowering May–Oct.  +
Eriogonum nudum var. nudum +Flowering Jun–Sep.  +
Eriogonum nudum var. oblongifolium +Flowering May–Oct.  +
Eriogonum nudum var. paralinum +Flowering Jun–Oct.  +
Eriogonum nudum var. pauciflorum +Flowering Jun–Oct.  +
Eriogonum nudum var. pubiflorum +Flowering Jun–Oct.  +
Eriogonum nudum var. regirivum +Flowering Aug–Nov.  +
Eriogonum nudum var. scapigerum +Flowering Jul–Sep.  +
Eriogonum nudum var. westonii +Flowering May–Sep.  +
Eriogonum nummulare +Flowering Jul–Oct.  +
Eriogonum nutans var. glabratum +Flowering Jun–Sep.  +
Eriogonum nutans var. nutans +Flowering May–Sep.  +
Eriogonum ochrocephalum var. calcareum +Flowering May–Jun.  +
Eriogonum ochrocephalum var. ochrocephalum +Flowering May–Jun.  +
Eriogonum ordii +Flowering Mar–Jul.  +
Eriogonum ostlundii +Flowering May–Sep.  +
Eriogonum ovalifolium var. caelestinum +Flowering Jul–Aug.  +
Eriogonum ovalifolium var. depressum +Flowering Jun–Aug.  +
Eriogonum ovalifolium var. eximium +Flowering Jun–Sep.  +
Eriogonum ovalifolium var. monarchense +Flowering Jun–Aug.  +
Eriogonum ovalifolium var. nivale +Flowering Jun–Sep.  +
Eriogonum ovalifolium var. ochroleucum +Flowering Jun–Aug.  +
Eriogonum ovalifolium var. ovalifolium +Flowering Apr–Aug.  +
Eriogonum ovalifolium var. pansum +Flowering Jun–Aug.  +
Eriogonum ovalifolium var. purpureum +Flowering Apr–Aug.  +
Eriogonum ovalifolium var. vineum +Flowering May–Jun.  +
Eriogonum ovalifolium var. williamsiae +Flowering May–Jul.  +
Eriogonum palmerianum +Flowering Mar–Oct.  +
Eriogonum panamintense +Flowering May–Oct.  +
Eriogonum panguicense var. alpestre +Flowering Jul–Sep.  +
Eriogonum panguicense var. panguicense +Flowering Jun–Sep.  +
Eriogonum parishii +Flowering Jun–Oct.  +
Eriogonum parvifolium +Flowering year-round.  +
Eriogonum pauciflorum +Flowering May–Sep.  +
Eriogonum pelinophilum +Flowering May–Jul.  +
Eriogonum pendulum +Flowering Jul–Sep.  +
Eriogonum pharnaceoides var. cervinum +Flowering Jul–Sep.  +
Eriogonum pharnaceoides var. pharnaceoides +Flowering Jul–Nov.  +
Eriogonum plumatella +Flowering Apr–Oct.  +
Eriogonum polycladon +Flowering year-round.  +
Eriogonum polypodum +Flowering Jul–Sep.  +
Eriogonum prattenianum var. avium +Flowering Jul–Aug.  +
Eriogonum prattenianum var. prattenianum +Flowering May–Jul.  +
Eriogonum prociduum var. mystrium +Flowering May–Jul.  +
Eriogonum prociduum var. prociduum +Flowering May–Jul.  +
Eriogonum pulchrum +Flowering Aug–Nov.  +
Eriogonum pusillum +Flowering Feb–Aug.  +
Eriogonum pyrolifolium var. coryphaeum +Flowering Jun–Sep.  +
Eriogonum pyrolifolium var. pyrolifolium +Flowering Jul–Sep.  +
Eriogonum racemosum +Flowering Jun–Oct.  +
Eriogonum reniforme +Flowering Feb–Aug.  +
Eriogonum ripleyi +Flowering Mar–Jun.  +
Eriogonum rixfordii +Flowering Jun–Dec.  +
Eriogonum robustum +Flowering Jun–Aug.  +
Eriogonum rosense var. beatleyae +Flowering May–Aug.  +
Eriogonum rosense var. rosense +Flowering Jul–Sep.  +
Eriogonum roseum +Flowering May–Nov.  +
Eriogonum rotundifolium +Flowering May–Oct.  +
Eriogonum rubricaule +Flowering May–Oct.  +
Eriogonum rupinum +Flowering Jul–Sep.  +
Eriogonum salicornioides +Flowering May–Jul.  +
Eriogonum saxatile +Flowering May–Oct.  +
Eriogonum scabrellum +Flowering Sep–Nov.  +
Eriogonum scopulorum +Flowering Jul–Aug.  +
Eriogonum shockleyi +Flowering May–Aug.  +
Eriogonum siskiyouense +Flowering Jul–Sep.  +
Eriogonum smithii +Flowering Jul–Oct.  +
Eriogonum soliceps +Flowering Jul–Aug.  +
Eriogonum soredium +Flowering Jun–Sep.  +
Eriogonum spathulatum +Flowering Jul–Oct.  +
Eriogonum spectabile +Flowering Jul–Sep.  +
Eriogonum spergulinum var. pratense +Flowering Jul–Aug.  +
Eriogonum spergulinum var. reddingianum +Flowering Jun–Sep.  +
Eriogonum spergulinum var. spergulinum +Flowering Jun–Sep.  +
Eriogonum sphaerocephalum var. fasciculifolium +Flowering May–Jul.  +
Eriogonum sphaerocephalum var. halimioides +Flowering May–Jul.  +
Eriogonum sphaerocephalum var. sphaerocephalum +Flowering May–Jul.  +
Eriogonum sphaerocephalum var. sublineare +Flowering May–Jul.  +
Eriogonum strictum var. anserinum +Flowering May–Aug.  +
Eriogonum strictum var. greenei +Flowering Jun–Sep.  +
Eriogonum strictum var. proliferum +Flowering Jun–Sep.  +
Eriogonum strictum var. strictum +Flowering May–Aug.  +
Eriogonum subreniforme +Flowering Apr–Oct.  +
Eriogonum suffruticosum +Flowering Apr–May.  +
Eriogonum temblorense +Flowering May–Sep.  +
Eriogonum tenellum var. platyphyllum +Flowering May–Oct.  +
Eriogonum tenellum var. ramosissimum +Flowering Apr–Dec.  +
Eriogonum tenellum var. tenellum +Flowering May–Nov.  +
Eriogonum ternatum +Flowering Jun–Aug.  +
Eriogonum terrenatum +Flowering Aug–Nov.  +
Eriogonum thomasii +Flowering year-round.  +
Eriogonum thompsoniae var. albiflorum +Flowering Jun–Oct.  +
Eriogonum thompsoniae var. atwoodii +Flowering Jul–Oct.  +
Eriogonum thompsoniae var. thompsoniae +Flowering Jul–Nov.  +
Eriogonum thornei +Flowering May–Jul.  +
Eriogonum thurberi +Flowering year-round.  +
Eriogonum thymoides +Flowering Apr–Jul.  +
Eriogonum tiehmii +Flowering May–Jun.  +
Eriogonum tomentosum +Flowering May–Oct.  +
Eriogonum trichopes +Flowering year-round.  +
Eriogonum tripodum +Flowering May–Jul.  +
Eriogonum truncatum +Flowering Apr–Aug.  +
Eriogonum tumulosum +Flowering May–Jul.  +
Eriogonum twisselmannii +Flowering Jun–Sep.  +
Eriogonum umbellatum var. ahartii +Flowering Jun–Sep.  +
Eriogonum umbellatum var. argus +Flowering Jun–Sep.  +
Eriogonum umbellatum var. aureum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. bahiiforme +Flowering Jul–Sep.  +
Eriogonum umbellatum var. canifolium +Flowering Jun–Sep.  +
Eriogonum umbellatum var. chlorothamnus +Flowering Jul–Sep.  +
Eriogonum umbellatum var. cladophorum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. cognatum +Flowering Jul–Sep.  +
Eriogonum umbellatum var. covillei +Flowering Jul–Sep.  +
Eriogonum umbellatum var. desereticum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. devestivum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. dichrocephalum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. dumosum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. ellipticum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. furcosum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. glaberrimum +Flowering Jul–Sep.  +
Eriogonum umbellatum var. goodmanii +Flowering May–Sep.  +
Eriogonum umbellatum var. haussknechtii +Flowering Jun–Sep.  +
Eriogonum umbellatum var. humistratum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. hypoleium +Flowering Jun–Sep.  +
Eriogonum umbellatum var. juniporinum +Flowering Jun–Oct.  +
Eriogonum umbellatum var. lautum +Flowering Jul–Sep.  +
Eriogonum umbellatum var. majus +Flowering Jun–Sep.  +
Eriogonum umbellatum var. minus +Flowering Jul–Sep.  +
Eriogonum umbellatum var. modocense +Flowering Jun–Sep.  +
Eriogonum umbellatum var. mohavense +Flowering May–Jun.  +
Eriogonum umbellatum var. munzii +Flowering Jun–Sep.  +
Eriogonum umbellatum var. nelsoniorum +Flowering Jul–Sep.  +
Eriogonum umbellatum var. nevadense +Flowering Jun–Sep.  +
Eriogonum umbellatum var. polyanthum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. porteri +Flowering Jul–Sep.  +
Eriogonum umbellatum var. ramulosum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. sandbergii +Flowering May–Aug.  +
Eriogonum umbellatum var. smallianum +Flowering Jul–Sep.  +
Eriogonum umbellatum var. speciosum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. stragulum +Flowering May–Sep.  +
Eriogonum umbellatum var. subaridum +Flowering Jun–Oct.  +
Eriogonum umbellatum var. torreyanum +Flowering Jul–Sep.  +
Eriogonum umbellatum var. umbellatum +Flowering Jun–Sep.  +
Eriogonum umbellatum var. vernum +Flowering May–Jul.  +
Eriogonum umbellatum var. versicolor +Flowering Jun–Sep.  +
Eriogonum ursinum var. erubescens +Flowering Jun–Sep.  +
Eriogonum ursinum var. ursinum +Flowering May–Sep.  +
Eriogonum vestitum +Flowering Mar–Nov.  +
Eriogonum villiflorum +Flowering Apr–Jul.  +
Eriogonum vimineum +Flowering May–Sep.  +
Eriogonum viridescens +Flowering Apr–Nov.  +
Eriogonum viridulum +Flowering Jul–Oct.  +
Eriogonum viscidulum +Flowering Apr–Jun.  +
Eriogonum visheri +Flowering Jun–Aug.  +
Eriogonum watsonii +Flowering May–Sep.  +
Eriogonum wetherillii +Flowering Apr–Oct.  +
Eriogonum wootonii +Flowering Jul–Sep.  +
Eriogonum wrightii var. membranaceum +Flowering Jul–Oct.  +
Eriogonum wrightii var. nodosum +Flowering Aug–Feb.  +
Eriogonum wrightii var. olanchense +Flowering Jul–Aug.  +
Eriogonum wrightii var. subscaposum +Flowering Jun–Sep.  +
Eriogonum wrightii var. trachygonum +Flowering Jul–Oct.  +
Eriogonum wrightii var. wrightii +Flowering Jul–Oct.  +
Eriogonum zionis var. coccineum +Flowering Jul–Sep.  +
Eriogonum zionis var. zionis +Flowering Jul–Oct.  +
Eriophorum angustifolium subsp. angustifolium +Fruiting summer.  +
Eriophorum angustifolium subsp. triste +Fruiting summer.  +
Eriophorum brachyantherum +Fruiting summer.  +
Eriophorum callitrix +Fruiting summer.  +
Eriophorum chamissonis +Fruiting summer.  +
Eriophorum crinigerum +Fruiting summer.  +
Eriophorum gracile +Fruiting late spring–mid summer.  +
Eriophorum scheuchzeri +Fruiting summer.  +
Eriophorum tenellum +Fruiting summer.  +
Eriophorum vaginatum +Fruiting summer.  +
Eriophorum virginicum +Fruiting mid summer–early fall.  +
Eriophorum viridicarinatum +Fruiting summer.  +
Eriophyllum ambiguum var. ambiguum +Flowering Mar–Jun.  +
Eriophyllum ambiguum var. paleaceum +Flowering Jan–Jul.  +
Eriophyllum confertiflorum var. confertiflorum +Flowering Mar–Jul.  +
Eriophyllum confertiflorum var. tanacetiflorum +Flowering May–Jul.  +
Eriophyllum congdonii +Flowering Mar–Jun.  +
Eriophyllum jepsonii +Flowering Mar–May.  +
Eriophyllum lanatum var. achilleoides +Flowering Apr–Jun.  +
Eriophyllum lanatum var. arachnoideum +Flowering Apr–Jul.  +
Eriophyllum lanatum var. croceum +Flowering May–Jun.  +
Eriophyllum lanatum var. grandiflorum +Flowering Apr–Jun.  +
Eriophyllum lanatum var. hallii +Flowering Jun–Jul.  +
Eriophyllum lanatum var. integrifolium +Flowering Jun–Aug.  +
Eriophyllum lanatum var. lanatum +Flowering May–Jun.  +
Eriophyllum lanatum var. lanceolatum +Flowering May–Aug.  +
Eriophyllum lanatum var. leucophyllum +Flowering May–Aug.  +
Eriophyllum lanatum var. obovatum +Flowering Jun–Jul.  +
Eriophyllum lanosum +Flowering Feb–May.  +
Eriophyllum latilobum +Flowering Apr–Jun.  +
Eriophyllum mohavense +Flowering Apr–May.  +
Eriophyllum multicaule +Flowering Mar–Jul.  +
Eriophyllum nubigenum +Flowering Jun–Jul.  +
Eriophyllum pringlei +Flowering Feb–Jul.  +
Eriophyllum staechadifolium +Flowering Apr–Sep.  +
Eriophyllum wallacei +Flowering Dec–Jul.  +
Eruca vesicaria subsp. sativa +Flowering Mar–Sep.  +
Erucastrum gallicum +Flowering Mar–Sep(-Dec in south, fruiting shortly after).  +
Erysimum ammophilum +Flowering Mar–Apr.  +
Erysimum arenicola +Flowering Jun–Aug.  +
Erysimum asperum +Flowering Apr–Jun(-Aug).  +
Erysimum capitatum var. capitatum +Flowering (Jan-)Mar–Sep.  +
Erysimum capitatum var. purshii +Flowering Apr–Sep.  +
Erysimum cheiranthoides +Flowering Jun–Aug.  +
Erysimum cheiri +Flowering Apr–Jul.  +
Erysimum coarctatum +Flowering Jul–Aug.  +
Erysimum concinnum +Flowering Mar–Jun.  +
Erysimum franciscanum +Flowering Jan–Apr.  +
Erysimum hieraciifolium +Flowering Jun–Sep.  +
Erysimum inconspicuum +Flowering Apr–Aug.  +
Erysimum insulare +Flowering Mar–May.  +
Erysimum menziesii +Flowering Jan–Aug.  +
Erysimum occidentale +Flowering Apr–Jun.  +
Erysimum pallasii +Flowering Jun–Aug.  +
Erysimum perenne +Flowering Jun–Sep.  +
Erysimum repandum +Flowering Apr–Jun.  +
Erysimum suffrutescens +Flowering Dec–Aug.  +
Erysimum teretifolium +Flowering Feb–May.  +
Erythranthe acutidens +Flowering Apr–Jul.  +
Erythranthe alsinoides +Flowering Mar–Jun.  +
Erythranthe ampliata +Flowering Jun–Jul.  +
Erythranthe androsacea +Flowering Feb–May.  +
Erythranthe arenaria +Flowering May–Sep.  +
Erythranthe arenicola +Flowering Apr–Aug.  +
Erythranthe arvensis +Flowering Apr–Jun(–Jul).  +
Erythranthe barbata +Flowering May–Aug.  +
Erythranthe bicolor +Flowering Apr–Jun.  +
Erythranthe brachystylis +Flowering Jun–Aug.  +
Erythranthe breviflora +Flowering May–Jul.  +
Erythranthe breweri +Flowering Jun–Aug(–Sep).  +
Erythranthe caespitosa +Flowering Jul–Sep.  +
Erythranthe calcicola +Flowering Apr–Jun.  +
Erythranthe calciphila +Flowering Mar–Sep(–Nov).  +
Erythranthe cardinalis +Flowering May–Sep.  +
Erythranthe carsonensis +Flowering Mar–Jun.  +
Erythranthe charlestonensis +Flowering Apr–Jul(–Aug).  +
Erythranthe chinatiensis +Flowering Feb–Sep.  +
Erythranthe cinnabarina +Flowering Jun–Aug(–Sep).  +
Erythranthe corallina +Flowering (May–)Jun–Aug.  +
Erythranthe cordata +Flowering (Jan–)Mar–Jun(–Nov).  +
Erythranthe decora +Flowering May–Aug.  +
Erythranthe dentata +Flowering May–Aug.  +
Erythranthe diffusa +Flowering Apr–Jun.  +
Erythranthe discolor +Flowering May–Jun.  +
Erythranthe eastwoodiae +Flowering May–Sep(–Nov).  +
Erythranthe erubescens +Flowering Jul–Aug.  +
Erythranthe exigua +Flowering Jun–Jul.  +
Erythranthe filicaulis +Flowering May–Jul.  +
Erythranthe filicifolia +Flowering Apr–Jun(–Sep).  +
Erythranthe floribunda +Flowering (May–)Jun–Aug(–Sep).  +
Erythranthe gemmipara +Flowering Jul–Aug(–Sep).  +
Erythranthe geniculata +Flowering (Mar–)Apr–Jul.  +
Erythranthe geyeri +Flowering May–Aug(–Oct).  +
Erythranthe glaucescens +Flowering Mar–May(–Jun).  +
Erythranthe gracilipes +Flowering Apr–May.  +
Erythranthe grandis +Flowering (Apr–)May–Jul(–Sep).  +
Erythranthe grayi +Flowering May–Jul(–Oct).  +
Erythranthe guttata +Flowering Apr–Sep.  +
Erythranthe hallii +Flowering May–Aug.  +
Erythranthe hardhamiae +Flowering Mar–Apr.  +
Erythranthe hymenophylla +Flowering Apr–Aug(–Sep).  +
Erythranthe inamoena +Flowering Jan–Apr(–Sep).  +
Erythranthe inconspicua +Flowering Apr–Jun(–Jul).  +
Erythranthe inflatula +Flowering Jun–Jul.  +
Erythranthe jungermannioides +Flowering May–Jul(–Aug).  +
Erythranthe laciniata +Flowering Apr–Jul(–Aug).  +
Erythranthe latidens +Flowering Apr–Jun.  +
Erythranthe lewisii +Flowering Jun–Sep.  +
Erythranthe linearifolia +Flowering Jul–Sep.  +
Erythranthe marmorata +Flowering Mar–May.  +
Erythranthe michiganensis +Flowering Jun–Aug(–Oct).  +
Erythranthe microphylla +Flowering Mar–Jul.  +
Erythranthe minor +Flowering Jul–Aug(–Sep).  +
Erythranthe montioides +Flowering Jun–Aug.  +
Erythranthe moschata +Flowering May–Aug.  +
Erythranthe nasuta +Flowering (Mar–)Apr–Jun(–Jul).  +
Erythranthe norrisii +Flowering Mar–May.  +
Erythranthe nudata +Flowering Apr–Jun.  +
Erythranthe palmeri +Flowering Apr–Jun.  +
Erythranthe pardalis +Flowering (Mar–)Apr–May.  +
Erythranthe parishii +Flowering May–Aug.  +
Erythranthe parvula +Flowering Apr–Sep.  +
Erythranthe patula +Flowering Apr–May(–Aug).  +
Erythranthe percaulis +Flowering May–Jun.  +
Erythranthe primuloides +Flowering Jun–Aug.  +
Erythranthe ptilota +Flowering (May–)Jun–Aug.  +
Erythranthe pulsiferae +Flowering Apr–Jul.  +
Erythranthe purpurea +Flowering May–Jun.  +
Erythranthe regni +Flowering Mar–May.  +
Erythranthe rhodopetra +Flowering Mar–May.  +
Erythranthe rubella +Flowering Apr–Jun.  +
Erythranthe scouleri +Flowering May–Aug.  +
Erythranthe shevockii +Flowering Mar–May.  +
Erythranthe sierrae +Flowering Apr–Jul.  +
Erythranthe suksdorfii +Flowering Apr–Aug.  +
Erythranthe taylorii +Flowering Feb–May.  +
Erythranthe thermalis +Flowering Mar–Aug.  +
Erythranthe tilingii +Flowering Jul–Sep.  +
Erythranthe trinitiensis +Flowering Jun–Jul(–Aug).  +
Erythranthe unimaculata +Flowering Jan–Jun.  +
Erythranthe utahensis +Flowering (Feb–)May–Aug(–Oct).  +
Erythranthe verbenacea +Flowering Jun–Sep.  +
Erythranthe washingtonensis +Flowering May–Sep.  +
Erythranthe willisii +Flowering May–Sep.  +
Erythronium albidum +Flowering spring.  +
Erythronium americanum subsp. americanum +Flowering spring.  +
Erythronium americanum subsp. harperi +Flowering spring.  +
Erythronium californicum +Flowering spring (Mar–Apr).  +
Erythronium citrinum +Flowering spring (Mar–May).  +
Erythronium elegans +Flowering late spring (May–Jun).  +
Erythronium grandiflorum subsp. candidum +Flowering late spring (Apr–Jun).  +
Erythronium grandiflorum subsp. grandiflorum +Flowering spring–summer (Apr–Jul, depending on elevation).  +
Erythronium helenae +Flowering spring (Mar–Apr).  +
Erythronium hendersonii +Flowering spring (Mar–Apr).  +
Erythronium klamathense +Flowering late spring to summer (Apr–Jun).  +
Erythronium mesochoreum +Flowering spring.  +
Erythronium montanum +Flowering summer, usually soon after snowmelt (Jun–Aug).  +
Erythronium multiscapideum +Flowering spring (Mar–Apr).  +
Erythronium oregonum +Flowering spring (Mar–May).  +
Erythronium pluriflorum +Flowering summer (Jun–Jul).  +
Erythronium propullans +Flowering spring.  +
Erythronium purpurascens +Flowering summer, soon after snowmelt (Jun–Aug).  +
Erythronium pusaterii +Flowering late spring (Apr–May).  +
Erythronium quinaultense +Flowering late spring (May).  +
Erythronium revolutum +Flowering early spring (Mar–Apr).  +
Erythronium rostratum +Flowering spring.  +
Erythronium taylorii +Flowering spring (Apr–May).  +
Erythronium tuolumnense +Flowering early spring (Mar).  +
Erythronium umbilicatum subsp. monostolum +Flowering spring.  +
Erythronium umbilicatum subsp. umbilicatum +Flowering spring.  +
Eschscholzia caespitosa +Flowering spring (Mar–May).  +
Eschscholzia californica subsp. californica +Flowering mid winter–late summer (Feb–Sep).  +
Eschscholzia californica subsp. mexicana +Flowering mid winter–late summer (Feb–Sep).  +
Eschscholzia glyptosperma +Flowering spring (Mar–May).  +
Eschscholzia hypecoides +Flowering spring (Mar–May).  +
Eschscholzia lemmonii subsp. kernensis +Flowering spring (Mar–May).  +
Eschscholzia lemmonii subsp. lemmonii +Flowering spring (Mar–May).  +
Eschscholzia lobbii +Flowering late winter–spring (Mar–May).  +
Eschscholzia minutiflora +Flowering late winter–spring (Mar–May).  +
Eschscholzia parishii +Flowering spring (Mar–May).  +
Eschscholzia ramosa +Flowering spring (Apr–Jun).  +
Eschscholzia rhombipetala +Flowering spring (Mar–May).  +
Eubotrys racemosa +Flowering late spring–summer.  +
Eubotrys recurva +Flowering mid spring.  +
Eucephalus breweri +Flowering Jul–Sep.  +
Eucephalus elegans +Flowering Jul–Aug.  +
Eucephalus engelmannii +Flowering Jul–Aug.  +
Eucephalus glabratus +Flowering Jul–Aug.  +
Eucephalus glaucescens +Flowering Jul–Sep(–Oct).  +
Eucephalus gormanii +Flowering Jul–Aug.  +
Eucephalus ledophyllus var. covillei +Flowering Jul–Aug.  +
Eucephalus ledophyllus var. ledophyllus +Flowering Jul–Sep.  +
Eucephalus paucicapitatus +Flowering Jul–Aug.  +
Eucephalus tomentellus +Flowering Jul–Aug.  +
Eucephalus vialis +Flowering Jul.  +
Euchiton gymnocephalus +Flowering May–Oct.  +
Euchiton involucratus +Flowering Jul–Oct.  +
Euchiton sphaericus +Flowering Jul–Oct.  +
Eucladium verticillatum +Sporophytes infrequent, capsules mature Jun–Aug.  +
Euclidium syriacum +Flowering May–Jun.  +
Eucnide bartonioides var. bartonioides +Flowering Jan–Dec.  +
Eucnide bartonioides var. edwardsiana +Flowering Mar–Nov.  +
Eucnide lobata +Flowering Mar–Dec.  +
Eucnide rupestris +Flowering Mar–May.  +
Eucnide urens +Flowering Mar–Jul.  +
Eucommia ulmoides +Flowering (Mar–)Apr.  +
Eulophia alta +Flowering summer–fall.  +
Euonymus alatus +Flowering spring–fall  +, fruiting summer–fall.  +
Euonymus americanus +Flowering spring–summer  +, fruiting late summer–early winter.  +
Euonymus atropurpureus +Flowering spring–summer  +, fruiting late summer–fall.  +
Euonymus europaeus +Flowering spring–summer  +, fruiting summer–fall.  +
Euonymus fortunei +Flowering summer  +, fruiting summer–fall.  +
Euonymus obovatus +Flowering spring  +, fruiting summer–fall.  +
Euonymus occidentalis var. occidentalis +Flowering spring–summer  +, fruiting summer–fall.  +
Euonymus occidentalis var. parishii +Flowering spring  +, fruiting summer.  +
Eupatorium album var. album +Flowering Jul–Sep.  +
Eupatorium album var. subvenosum +Flowering Jul–Sep.  +
Eupatorium album var. vaseyi +Flowering Jul–Sep.  +
Eupatorium altissimum +Flowering Jul–Sep.  +
Eupatorium anomalum +Flowering Jul–Aug.  +
Eupatorium cannabinum +Flowering Jul–Sep.  +
Eupatorium capillifolium +Flowering Aug–Oct.  +
Eupatorium compositifolium +Flowering Aug–Oct.  +
Eupatorium godfreyanum +Flowering Jul–Sep.  +
Eupatorium hyssopifolium var. hyssopifolium +Flowering Aug–Oct.  +
Eupatorium hyssopifolium var. laciniatum +Flowering Aug–Oct.  +
Eupatorium lancifolium +Flowering Aug–Sep.  +
Eupatorium leptophyllum +Flowering Aug–Oct.  +
Eupatorium leucolepis var. leucolepis +Flowering Jul–Sep.  +
Eupatorium leucolepis var. novaeangliae +Flowering Jul–Sep.  +
Eupatorium linearifolium +Flowering Jul–Sep.  +
Eupatorium mikanioides +Flowering Jul–Sep.  +
Eupatorium mohrii +Flowering Jul–Sep.  +
Eupatorium perfoliatum +Flowering Aug–Oct.  +
Eupatorium petaloideum +Flowering Jul–Sep.  +
Eupatorium pilosum +Flowering Jul–Sep.  +
Eupatorium resinosum +Flowering Aug–Sep.  +
Eupatorium rotundifolium var. ovatum +Flowering Jul–Aug.  +
Eupatorium rotundifolium var. rotundifolium +Flowering Jul–Aug.  +
Eupatorium rotundifolium var. scabridum +Flowering Jul–Aug.  +
Eupatorium semiserratum +Flowering Aug–Sep.  +
Eupatorium serotinum +Flowering Aug–Oct.  +
Eupatorium sessilifolium +Flowering Jul–Sep.  +
Eupatorium ×cordigerum +Flowering Jul–Aug.  +
Eupatorium ×pinnatifidum +Flowering Aug–Oct.  +
Euphorbia aaron-rossii +Flowering and fruiting spring–fall.  +
Euphorbia abramsiana +Flowering and fruiting summer–fall.  +
Euphorbia acuta +Flowering and fruiting spring–fall.  +
Euphorbia agraria +Flowering and fruiting spring–summer.  +
Euphorbia albomarginata +Flowering and fruiting year-round.  +
Euphorbia alta +Flowering and fruiting summer.  +
Euphorbia angusta +Flowering and fruiting early spring–fall.  +
Euphorbia antisyphilitica +Flowering and fruiting year-round in response to sufficient rainfall.  +
Euphorbia arizonica +Flowering and fruiting year-round in response to sufficient moisture.  +
Euphorbia astyla +Flowering and fruiting late spring–early fall.  +
Euphorbia austrotexana var. austrotexana +Flowering and fruiting spring.  +
Euphorbia austrotexana var. carrii +Flowering and fruiting spring.  +
Euphorbia bicolor +Flowering and fruiting summer–fall.  +
Euphorbia bifurcata +Flowering and fruiting summer–fall.  +
Euphorbia bilobata +Flowering and fruiting spring–fall.  +
Euphorbia blodgettii +Flowering and fruiting year-round.  +
Euphorbia bombensis +Flowering and fruiting spring–fall.  +
Euphorbia brachycera +Flowering and fruiting spring–summer.  +
Euphorbia capitellata +Flowering and fruiting year-round in response to sufficient moisture.  +
Euphorbia carunculata +Flowering and fruiting summer–fall.  +
Euphorbia chaetocalyx var. chaetocalyx +Flowering and fruiting spring–late fall.  +
Euphorbia chaetocalyx var. triligulata +Flowering and fruiting early summer–fall.  +
Euphorbia chamaesula +Flowering and fruiting spring–summer.  +
Euphorbia cinerascens +Flowering and fruiting year-round (mostly spring–fall).  +
Euphorbia commutata +Flowering and fruiting spring–summer.  +
Euphorbia conferta +Flowering and fruiting year-round.  +
Euphorbia cordifolia +Flowering and fruiting summer–fall.  +
Euphorbia corollata +Flowering and fruiting early summer–fall.  +
Euphorbia crenulata +Flowering and fruiting spring–summer.  +
Euphorbia cumulicola +Flowering and fruiting year-round.  +
Euphorbia cuphosperma +Flowering and fruiting summer–fall.  +
Euphorbia curtisii +Flowering and fruiting early spring–summer.  +
Euphorbia cyathophora +Flowering and fruiting late spring–fall.  +
Euphorbia cyparissias +Flowering and fruiting spring–fall.  +
Euphorbia davidii +Flowering and fruiting summer–fall.  +
Euphorbia deltoidea subsp. adhaerens +Flowering and fruiting year-round.  +
Euphorbia deltoidea subsp. deltoidea +Flowering and fruiting year-round.  +
Euphorbia deltoidea subsp. pinetorum +Flowering and fruiting year-round.  +
Euphorbia deltoidea subsp. serpyllum +Flowering and fruiting year-round.  +
Euphorbia dendroides +Flowering and fruiting fall–spring.  +
Euphorbia dentata +Flowering and fruiting spring–fall.  +
Euphorbia discoidalis +Flowering and fruiting late spring–fall.  +
Euphorbia eriantha +Flowering and fruiting year-round in response to sufficient rainfall.  +
Euphorbia exigua +Flowering and fruiting summer–fall.  +
Euphorbia exserta +Flowering and fruiting spring–summer.  +
Euphorbia exstipulata +Flowering and fruiting summer–fall.  +
Euphorbia falcata +Flowering and fruiting spring–summer.  +
Euphorbia fendleri +Flowering and fruiting spring–fall.  +
Euphorbia florida +Flowering and fruiting summer–late fall.  +
Euphorbia floridana +Flowering and fruiting spring–fall.  +
Euphorbia garberi +Flowering and fruiting year-round.  +
Euphorbia georgiana +Flowering and fruiting spring.  +
Euphorbia geyeri var. geyeri +Flowering and fruiting midsummer–early fall.  +
Euphorbia geyeri var. wheeleriana +Flowering and fruiting midsummer–early fall.  +
Euphorbia glyptosperma +Flowering and fruiting early summer–fall.  +
Euphorbia golondrina +Flowering and fruiting late spring–fall.  +
Euphorbia gracillima +Flowering and fruiting late summer–fall.  +
Euphorbia graminea +Flowering and fruiting year-round.  +
Euphorbia helioscopia +Flowering and fruiting spring–fall.  +
Euphorbia helleri +Flowering and fruiting late winter–spring.  +
Euphorbia heterophylla +Flowering and fruiting nearly year-round.  +
Euphorbia hexagona +Flowering and fruiting late summer–fall.  +
Euphorbia hirta +Flowering and fruiting year-round.  +
Euphorbia hooveri +Flowering and fruiting summer–fall.  +
Euphorbia humistrata +Flowering and fruiting spring–late summer.  +
Euphorbia hypericifolia +Flowering and fruiting early spring–late fall.  +
Euphorbia hyssopifolia +Flowering and fruiting late spring–early fall.  +
Euphorbia indivisa +Flowering and fruiting summer–fall.  +
Euphorbia innocua +Flowering and fruiting early winter–late spring.  +
Euphorbia inundata var. garrettii +Flowering and fruiting spring–fall.  +
Euphorbia inundata var. inundata +Flowering and fruiting spring–fall.  +
Euphorbia ipecacuanhae +Flowering and fruiting early spring–early summer.  +
Euphorbia jaegeri +Flowering and fruiting fall–spring.  +
Euphorbia jejuna +Flowering and fruiting early spring–summer.  +
Euphorbia laredana +Flowering and fruiting almost year-round.  +
Euphorbia lasiocarpa +Flowering and fruiting year-round.  +
Euphorbia lata +Flowering and fruiting spring–fall.  +
Euphorbia lathyris +Flowering and fruiting winter–fall.  +
Euphorbia longicruris +Flowering and fruiting spring.  +
Euphorbia lurida +Flowering and fruiting spring–summer.  +
Euphorbia macropus +Flowering and fruiting summer–fall.  +
Euphorbia maculata +Flowering and fruiting spring–fall.  +
Euphorbia marginata +Flowering and fruiting summer–fall.  +
Euphorbia meganaesos +Flowering and fruiting late spring–late summer.  +
Euphorbia melanadenia +Flowering and fruiting year-round.  +
Euphorbia mendezii +Flowering and fruiting year-round.  +
Euphorbia mercurialina +Flowering and fruiting spring.  +
Euphorbia mesembrianthemifolia +Flowering and fruiting year-round.  +
Euphorbia micromera +Flowering nearly year-round in response to sufficient rainfall.  +
Euphorbia misera +Flowering and fruiting year-round (but most prolific after winter rains).  +
Euphorbia missurica +Flowering and fruiting late spring–late summer.  +
Euphorbia myrsinites +Flowering and fruiting spring–summer.  +
Euphorbia nephradenia +Flowering and fruiting spring–summer.  +
Euphorbia nutans +Flowering and fruiting spring–early fall.  +
Euphorbia oblongata +Flowering and fruiting spring–fall.  +
Euphorbia ocellata subsp. ocellata +Flowering and fruiting early spring–fall.  +
Euphorbia ocellata subsp. rattanii +Flowering and fruiting summer–fall, occasionally spring.  +
Euphorbia ophthalmica +Flowering and fruiting year-round.  +
Euphorbia ouachitana +Flowering and fruiting spring.  +
Euphorbia parishii +Flowering and fruiting fall–summer.  +
Euphorbia parryi +Flowering and fruiting spring–fall.  +
Euphorbia pediculifera var. pediculifera +Flowering and fruiting year-round.  +
Euphorbia peplidion +Flowering and fruiting late winter–spring.  +
Euphorbia peplus +Flowering and fruiting year-round.  +
Euphorbia perennans +Flowering and fruiting spring–fall.  +
Euphorbia pergamena +Flowering and fruiting year-round.  +
Euphorbia pinetorum +Flowering and fruiting year-round.  +
Euphorbia platyphyllos +Flowering and fruiting summer–fall.  +
Euphorbia platysperma +Flowering and fruiting year-round in response to sufficient moisture.  +
Euphorbia polycarpa var. polycarpa +Flowering and fruiting year-round in response to sufficient moisture.  +
Euphorbia polygonifolia +Flowering and fruiting early summer–fall.  +
Euphorbia polyphylla +Flowering and fruiting late spring–late fall.  +
Euphorbia porteriana +Flowering and fruiting year-round.  +
Euphorbia prostrata +Flowering and fruiting early spring–fall.  +
Euphorbia pubentissima +Flowering and fruiting spring–fall.  +
Euphorbia purpurea +Flowering and fruiting spring–fall.  +
Euphorbia radians +Flowering and fruiting spring–summer.  +
Euphorbia rayturneri +Flowering and fruiting late summer–early fall.  +
Euphorbia revoluta +Flowering and fruiting summer–late fall.  +
Euphorbia roemeriana +Flowering and fruiting spring.  +
Euphorbia rosescens +Flowering and fruiting spring–summer, rarely fall.  +
Euphorbia schizoloba +Flowering and fruiting spring–summer.  +
Euphorbia serpens +Flowering and fruiting year-round (in warmer areas) or summer (in temperate regions).  +
Euphorbia serpillifolia subsp. hirtula +Flowering and fruiting summer–fall.  +
Euphorbia serpillifolia subsp. serpillifolia +Flowering and fruiting year-round in response to sufficient moisture (but mostly summer–fall).  +
Euphorbia serrata +Flowering and fruiting spring–fall.  +
Euphorbia serrula +Flowering and fruiting spring–fall.  +
Euphorbia setiloba +Flowering nearly year-round in response to sufficient moisture.  +
Euphorbia simulans +Flowering and fruiting year-round.  +
Euphorbia spathulata +Flowering and fruiting spring–summer.  +
Euphorbia stictospora +Flowering and fruiting midsummer–early fall.  +
Euphorbia strictior +Flowering and fruiting spring–fall.  +
Euphorbia telephioides +Flowering and fruiting spring–fall.  +
Euphorbia terracina +Flowering and fruiting spring–summer.  +
Euphorbia tetrapora +Flowering and fruiting spring.  +
Euphorbia texana +Flowering and fruiting spring.  +
Euphorbia theriaca var. spurca +Flowering and fruiting late winter–late fall.  +
Euphorbia theriaca var. theriaca +Flowering and fruiting summer–late fall.  +
Euphorbia thymifolia +Flowering and fruiting midsummer–early fall.  +
Euphorbia tithymaloides subsp. smallii +Flowering and fruiting winter–early spring.  +
Euphorbia trachysperma +Flowering and fruiting late summer–early winter.  +
Euphorbia trichotoma +Flowering and fruiting year-round (primarily spring–summer).  +
Euphorbia vallis-mortae +Flowering and fruiting late spring–fall.  +
Euphorbia velleriflora +Flowering and fruiting summer.  +
Euphorbia vermiculata +Flowering and fruiting spring–fall.  +
Euphorbia villifera +Flowering and fruiting early spring–early winter.  +
Euphorbia virgata +Flowering and fruiting spring–fall.  +
Euphorbia wrightii +Flowering and fruiting spring–fall.  +
Euphorbia yaquiana +Flowering and fruiting spring–summer.  +
Euphrasia arctica subsp. arctica +Flowering early summer–fall.  +
Euphrasia arctica subsp. borealis +Flowering early summer–fall.  +
Euphrasia disjuncta +Flowering mid summer–fall.  +
Euphrasia farlowii +Flowering mid summer–fall.  +
Euphrasia frigida +Flowering summer.  +
Euphrasia hudsoniana +Flowering summer.  +
Euphrasia micrantha +Flowering summer–fall.  +
Euphrasia mollis +Flowering summer.  +
Euphrasia nemorosa +Flowering early summer–fall.  +
Euphrasia oakesii var. oakesii +Flowering summer.  +
Euphrasia oakesii var. williamsii +Flowering summer.  +
Euphrasia ostenfeldii +Flowering summer.  +
Euphrasia randii +Flowering summer.  +
Euphrasia salisburgensis var. hibernica +Flowering mid summer–fall.  +
Euphrasia stricta var. brevipila +Flowering early summer–fall.  +
Euphrasia stricta var. stricta +Flowering early summer–fall.  +
Euphrasia subarctica +Flowering summer.  +
Euphrasia suborbicularis +Flowering summer.  +
Euphrasia tetraquetra +Flowering summer.  +
Euphrasia vinacea +Flowering summer.  +
Euphrasia wettsteinii +Flowering summer.  +
Eurybia avita +Flowering late summer–early fall.  +
Eurybia chlorolepis +Flowering late summer–fall.  +
Eurybia compacta +Flowering midsummer–early fall.  +
Eurybia conspicua +Flowering summer–fall.  +
Eurybia divaricata +Flowering late summer–fall.  +
Eurybia eryngiifolia +Flowering late spring–midsummer.  +
Eurybia furcata +Flowering late Jul–Oct.  +
Eurybia hemispherica +Flowering late summer–fall.  +
Eurybia integrifolia +Flowering summer–early fall.  +
Eurybia jonesiae +Flowering late summer–fall.  +
Eurybia macrophylla +Flowering late summer–early fall (late Aug–Oct).  +
Eurybia merita +Flowering late summer.  +
Eurybia mirabilis +Flowering late summer–early fall.  +
Eurybia paludosa +Flowering late summer–fall.  +
Eurybia radula +Flowering late summer–early fall.  +
Eurybia radulina +Flowering summer.  +
Eurybia saxicastelli +Flowering late summer–fall.  +
Eurybia schreberi +Flowering late summer–early fall.  +
Eurybia sibirica +Flowering summer.  +
Eurybia spectabilis +Flowering fall.  +
Eurybia spinulosa +Flowering May–Jul.  +
Eurybia surculosa +Flowering summer–fall.  +
Eurybia ×herveyi +Flowering fall.  +
Euthamia caroliniana +Flowering Aug–Dec.  +
Euthamia graminifolia +Flowering Jul–Oct.  +
Euthamia gymnospermoides +Flowering Aug–Sep.  +
Euthamia leptocephala +Flowering Sep–Nov.  +
Euthamia occidentalis +Flowering Jul–Nov.  +
Eutrema edwardsii +Flowering early Jun-early Aug, fruiting Jul-early Sep.  +
Eutrema salsugineum +Flowering May–Jun.  +
Eutrochium dubium +Flowering late summer–early fall.  +
Eutrochium fistulosum +Flowering late summer–early fall.  +
Eutrochium maculatum var. bruneri +Flowering summer–fall.  +
Eutrochium maculatum var. foliosum +Flowering late summer–early fall.  +
Eutrochium maculatum var. maculatum +Flowering late summer–early fall.  +
Eutrochium purpureum var. holzingeri +Flowering late summer–early fall.  +
Eutrochium purpureum var. purpureum +Flowering late summer–early fall.  +
Eutrochium steelei +Flowering late summer–early fall.  +
Exochorda racemosa +Flowering spring.  +
F
Fabronia ciliaris +Capsules mature summer.  +
Fabronia pusilla +Capsules mature late spring- summer.  +
Facelis retusa +Flowering Mar–Jun.  +
Fagonia laevis +Flowering Nov–Jun.  +
Fagonia longipes +Flowering Jan–Aug.  +
Fagonia pachyacantha +Flowering Nov–May.  +
Fagopyrum esculentum +Flowering Jun–Sep  +, fruiting Jun–Nov.  +
Fagopyrum tataricum +Flowering Jun–Sep  +, fruiting Jul–Nov.  +
Fagus grandifolia +Flowering spring (Apr–Jun).  +
Fallopia baldschuanica +Flowering Aug–Sep.  +
Fallopia cilinodis +Flowering Jun–Oct.  +
Fallopia convolvulus +Flowering May–Oct.  +
Fallopia dumetorum +Flowering Jul–Oct.  +
Fallopia japonica var. japonica +Flowering Aug–Sep.  +
Fallopia sachalinensis +Flowering Jul–Oct.  +
Fallopia scandens +Flowering Aug–Nov.  +
Fallopia ×bohemica +Flowering Jul–Oct.  +
Fallugia paradoxa +Flowering Apr–Oct.  +
Fatoua villosa +Flowering summer–fall.  +
Fendlera linearis +Flowering May–Oct.  +
Fendlera rupicola +Flowering Apr–Jun (Aug–Oct).  +
Fendlerella utahensis +Flowering Apr–Jun (Aug–Sep).  +
Ferocactus cylindraceus +Flowering early spring–early summer (late summer–early fall).  +
Ferocactus emoryi +Flowering summer–early fall.  +
Ferocactus hamatacanthus var. hamatacanthus +Flowering summer.  +
Ferocactus hamatacanthus var. sinuatus +Flowering late summer–fall.  +
Ferocactus viridescens var. viridescens +Flowering spring–early summer.  +
Ferocactus wislizeni +Flowering late summer(-fall).  +
Ficus americana +Flowering all year.  +
Ficus aurea +Flowering spring–summer.  +
Ficus benghalensis +Flowering all year.  +
Ficus benjamina +Flowering all year.  +
Ficus carica +Flowering spring–summer.  +
Ficus citrifolia +Flowering spring–summer.  +
Ficus elastica +Flowering all year.  +
Ficus microcarpa +Flowering all year.  +
Ficus pumila +Flowering all year.  +
Ficus religiosa +Flowering all year.  +
Filago pyramidata var. pyramidata +Flowering and fruiting late Apr–mid Aug.  +
Filago vulgaris +Flowering and fruiting (Apr–)Jun–Sep.  +
Filipendula occidentalis +Flowering summer (Jun–Aug).  +
Filipendula rubra +Flowering summer (Jun–Jul).  +
Filipendula ulmaria +Flowering summer (Jul).  +
Filipendula vulgaris +Flowering summer (Jun–Jul).  +
Fimbristylis annua +Fruiting summer–fall, all year southward.  +
Fimbristylis autumnalis +Fruiting summer–fall, all year southward.  +
Fimbristylis brevivaginata +Fruiting summer–fall.  +
Fimbristylis caroliniana +Fruiting summer–fall.  +
Fimbristylis castanea +Fruiting summer–fall, all year southward.  +
Fimbristylis cymosa +Fruiting all year.  +
Fimbristylis decipiens +Fruiting late summer–fall.  +
Fimbristylis dichotoma +Fruiting summer–fall, into winter southward.  +
Fimbristylis miliacea +Fruiting summer–fall, all year southward.  +
Fimbristylis perpusilla +Fruiting summer–fall.  +
Fimbristylis puberula var. interior +Fruiting summer–fall.  +
Fimbristylis puberula var. puberula +Fruiting late spring–summer.  +
Fimbristylis schoenoides +Fruiting summer–fall, all year in south.  +
Fimbristylis thermalis +Fruiting spring–fall.  +
Fimbristylis tomentosa +Fruiting summer–fall.  +
Fimbristylis vahlii +Fruiting summer–fall.  +
Firmiana simplex +Flowering May–Aug  +, fruiting Jun–Oct.  +
Flacourtia indica +Flowering and fruiting year-round.  +
Flaveria bidentis +Flowering year round.  +
Flaveria brownii +Flowering Jun–Dec.  +
Flaveria campestris +Flowering May–Nov.  +
Flaveria chlorifolia +Flowering Jul–Nov.  +
Flaveria floridana +Flowering year round.  +
Flaveria linearis +Flowering year round.  +
Flaveria mcdougallii +Flowering Sep–Jan.  +
Flaveria trinervia +Flowering Mar–Dec.  +
Fleischmannia incarnata +Flowering Oct–Dec.  +
Fleischmannia sonorae +Flowering Sep–Dec.  +
Floerkea proserpinacoides +Flowering spring–early summer.  +
Florestina tripteris +Flowering year round, mostly summer–fall.  +
Flourensia cernua +Flowering mostly Sep–Nov.  +
Flourensia pringlei +Flowering mostly Aug–Oct.  +
Flueggea virosa subsp. virosa +Flowering and fruiting summer.  +
Flyriella parryi +Flowering Apr–Jul.  +
Forsstroemia producta +Capsules mature winter.  +
Forsstroemia trichomitria +Capsules mature winter.  +
Fothergilla gardenii +Flowering spring (Mar–May).  +
Fothergilla major +Flowering spring (Apr–May).  +
Fragaria chiloensis subsp. lucida +Flowering spring.  +
Fragaria chiloensis subsp. pacifica +Flowering spring.  +
Fragaria vesca subsp. americana +Flowering spring.  +
Fragaria vesca subsp. bracteata +Flowering spring.  +
Fragaria vesca subsp. californica +Flowering spring.  +
Fragaria vesca subsp. vesca +Flowering spring  +
Fragaria virginiana subsp. glauca +Flowering spring and fall.  +
Fragaria virginiana subsp. grayana +Flowering spring.  +
Fragaria virginiana subsp. platypetala +Flowering spring.  +
Fragaria virginiana subsp. virginiana +Flowering spring.  +
Frangula alnus +Flowering May–Sep.  +
Frangula betulifolia +Flowering Apr–Jun.  +
Frangula californica subsp. californica +Flowering May–Jul.  +
Frangula californica subsp. crassifolia +Flowering Feb–Apr.  +
Frangula californica subsp. cuspidata +Flowering Apr–Jun.  +
Frangula californica subsp. occidentalis +Flowering Mar–Jun.  +
Frangula californica subsp. tomentella +Flowering Jan–Apr.  +
Frangula californica subsp. ursina +Flowering May–Sep.  +
Frangula caroliniana +Flowering Apr–Jun.  +
Frangula obovata +Flowering Apr–Jun.  +
Frangula purshiana subsp. anonifolia +Flowering Mar–Jun.  +
Frangula purshiana subsp. purshiana +Flowering (Feb–)Mar–Jul.  +
Frangula purshiana subsp. ultramafica +Flowering Apr–Jun.  +
Frangula rubra subsp. modocensis +Flowering Apr–Jun.  +
Frangula rubra subsp. nevadensis +Flowering Apr–Jun.  +
Frangula rubra subsp. obtusissima +Flowering Apr–Jun.  +
Frangula rubra subsp. rubra +Flowering Apr–Jul.  +
Frangula rubra subsp. yosemitana +Flowering Apr–Jun.  +
Frankenia jamesii +Flowering May–Sep.  +
Frankenia johnstonii +Flowering year-round.  +
Frankenia palmeri +Flowering Mar–Jul.  +
Frankenia pulverulenta +Flowering May–Sep.  +
Frankenia salina +Flowering Apr–Nov.  +
Franklinia alatamaha +Flowering (Jun-)Aug–Sep(-Oct).  +
Freesia alba +Flowering mainly Mar.  +
Freesia laxa +Flowering mainly Apr.  +
Fremontodendron californicum +Flowering Mar–Jul(–Dec).  +
Fremontodendron decumbens +Flowering May.  +
Fremontodendron mexicanum +Flowering Mar–Jul.  +
Fritillaria affinis +Flowering Mar–Jun.  +
Fritillaria agrestis +Flowering Mar–Apr.  +
Fritillaria atropurpurea +Flowering May–Jul.  +
Fritillaria biflora var. biflora +Flowering Mar–Apr.  +
Fritillaria biflora var. ineziana +Flowering Mar.  +
Fritillaria brandegeei +Flowering Apr.  +
Fritillaria camschatcensis +Flowering May–Jul.  +
Fritillaria eastwoodiae +Flowering Apr–May.  +
Fritillaria falcata +Flowering Mar–Apr.  +
Fritillaria gentneri +Flowering Apr–Jun.  +
Fritillaria glauca +Flowering Jun–Jul.  +
Fritillaria liliacea +Flowering Feb–Apr.  +
Fritillaria micrantha +Flowering Apr–Jun.  +
Fritillaria ojaiensis +Flowering Feb–Apr.  +
Fritillaria pinetorum +Flowering May–Jun.  +
Fritillaria pluriflora +Flowering Mar–Apr.  +
Fritillaria pudica +Flowering Mar–Jun.  +
Fritillaria purdyi +Flowering Apr–Jun.  +
Fritillaria recurva +Flowering Mar–Jun.  +
Fritillaria striata +Flowering Mar–May.  +
Fritillaria viridea +Flowering Apr–May.  +
Froelichia arizonica +Flowering year-round.  +
Froelichia drummondii +Flowering year-round, primarily late summer–fall.  +
Froelichia floridana +Flowering summer.  +
Froelichia gracilis +Flowering summer in north, year-round in extreme south.  +
Froelichia texana +Flowering year-round.  +
Fryxellia pygmaea +Flowering apparently summer.  +
Fuirena breviseta +Fruiting summer–fall.  +
Fuirena bushii +Fruiting summer–fall.  +
Fuirena longa +Fruiting summer–fall.  +
Fuirena pumila +Fruiting summer–fall.  +
Fuirena scirpoidea +Fruiting summer–fall.  +
Fuirena simplex var. aristulata +Fruiting summer–fall.  +
Fuirena simplex var. simplex +Fruiting summer–fall.  +
Fuirena squarrosa +Fruiting summer–fall.  +
Fumaria capreolata +Flowering spring.  +
Fumaria officinalis +Flowering spring.  +
Fumaria vaillantii +Flowering spring.  +
Furcraea foetida +Flowering fall–mid winter.  +
Furcraea selloa +Flowering mid fall–mid winter.  +
G
Gaillardia aestivalis +Flowering Jun–Oct.  +
Gaillardia amblyodon +Flowering Apr–Jul.  +
Gaillardia aristata +Flowering May–Sep.  +
Gaillardia arizonica +Flowering Mar–May.  +
Gaillardia coahuilensis +Flowering Apr–Jun.  +
Gaillardia multiceps +Flowering Jul–Aug.  +
Gaillardia parryi +Flowering May–Jun(–Sep).  +
Gaillardia pinnatifida +Flowering Mar–Oct, mostly May–Jul.  +
Gaillardia pulchella +Flowering Jan–Dec, mostly May–Aug.  +
Gaillardia spathulata +Flowering May–Jun(–Oct).  +
Gaillardia suavis +Flowering Mar–Jun.  +
Galanthus elwesii +Flowering late winter–spring.  +
Galanthus nivalis +Flowering late winter–early spring.  +
Galax urceolata +Flowering May–Jul.  +
Galeandra bicarinata +Flowering fall.  +
Galearis spectabilis +Flowering spring–early summer.  +
Galenia pubescens +Flowering Jun.  +
Galenia secunda +Flowering spring–fall.  +
Galinsoga parviflora var. parviflora +Flowering summer–fall.  +
Galinsoga parviflora var. semicalva +Flowering summer–fall.  +
Galinsoga quadriradiata +Flowering and fruiting summer–fall.  +
Galphimia angustifolia +Flowering and fruiting Apr–Nov.  +
Gambelia speciosa +Flowering Mar–Jun.  +
Gamochaeta antillana +Flowering (Feb–)Mar–May, sometimes later with moisture.  +
Gamochaeta argyrinea +Flowering Mar–Jun(–Oct).  +
Gamochaeta calviceps +Flowering (Apr–)May–Jul.  +
Gamochaeta chionesthes +Flowering (Mar–)Apr–May(–Jun).  +
Gamochaeta coarctata +Flowering Apr–Jun.  +
Gamochaeta pensylvanica +Flowering Mar–Jun(–Aug).  +
Gamochaeta purpurea +Flowering Apr–May(–Jun).  +
Gamochaeta simplicicaulis +Flowering (Jun–)Jul–Aug(–Oct).  +
Gamochaeta sphacelata +Flowering Jul–Sep.  +
Gamochaeta stachydifolia +Flowering Mar–May.  +
Gamochaeta stagnalis +Flowering (Mar–)Apr(–May).  +
Gamochaeta ustulata +Flowering Apr–Jul(–Oct).  +
Garberia heterophylla +Flowering mainly Oct–Dec (sometimes nearly year round).  +
Garrya buxifolia +Flowering Mar–Apr.  +
Garrya elliptica +Flowering (Dec–)Jan–Mar.  +
Garrya flavescens +Flowering Feb–Apr.  +
Garrya fremontii +Flowering Jan–Apr(–May).  +
Garrya goldmanii +Flowering Mar–Apr.  +
Garrya lindheimeri +Flowering Mar–May.  +
Garrya veatchii +Flowering Feb–Apr.  +
Garrya wrightii +Flowering (Mar–)Apr–Aug.  +
Gaultheria hispidula +Flowering Jun-early Aug  +, fruiting Jul–Sep.  +
Gaultheria humifusa +Flowering Jun–Jul  +, fruiting Jul–Sep.  +
Gaultheria ovatifolia +Flowering late May-early Jul  +, fruiting Aug–Sep.  +
Gaultheria procumbens +Flowering Jun–Sep  +, fruiting Sep–Jan.  +
Gaultheria pyroloides +Flowering Jun–Aug  +, fruiting Sep–Oct.  +
Gaultheria shallon +Flowering May-early Jul  +, fruiting late Jul–Sep.  +
Gaylussacia baccata +Flowering late spring.  +
Gaylussacia bigeloviana +Flowering late spring–early summer.  +
Gaylussacia brachycera +Flowering late spring–early summer.  +
Gaylussacia dumosa +Flowering late spring–early summer.  +
Gaylussacia frondosa +Flowering late spring.  +
Gaylussacia mosieri +Flowering spring.  +
Gaylussacia nana +Flowering late spring.  +
Gaylussacia orocola +Flowering late spring–early summer.  +
Gaylussacia tomentosa +Flowering late spring.  +
Gaylussacia ursina +Flowering late spring.  +
Gazania linearis +Flowering Oct–Jul.  +
Gemmabryum apiculatum +Capsules mature spring–summer.  +
Gemmabryum barnesii +Capsules mature Apr–Jul (spring–summer).  +
Gemmabryum caespiticium +Capsules mature Apr–Aug (spring–summer).  +
Gemmabryum californicum +Capsules mature Apr–Jul (spring–summer).  +
Gemmabryum coronatum +Capsules mature Apr–Jul (spring–summer).  +
Gemmabryum dichotomum +Capsules mature Apr–Jul (spring–summer).  +
Gemmabryum kunzei +Capsules mature Apr–Jul (spring–summer).  +
Gemmabryum radiculosum +Capsules mature Apr–Jul (spring–summer).  +
Gemmabryum subapiculatum +Capsules mature Apr–Jun (spring–summer).  +
Gemmabryum tenuisetum +Capsules mature Apr–Jun (spring–summer).  +
Gemmabryum valparaisense +Capsules mature Mar–May (spring).  +
Gemmabryum violaceum +Capsules mature Apr–Jul (spring–summer).  +
Geocarpon minimum +Flowering late winter–early spring.  +
Geocaulon lividum +Flowering late May–early Aug.  +
Geraea canescens +Flowering Oct–May.  +
Geraea viscida +Flowering May–Jul.  +
Geum aleppicum +Flowering summer.  +
Geum calthifolium +Flowering summer.  +
Geum canadense +Flowering spring–summer.  +
Geum geniculatum +Flowering summer.  +
Geum glaciale +Flowering early summer.  +
Geum laciniatum +Flowering early summer.  +
Geum macrophyllum var. macrophyllum +Flowering late spring–summer.  +
Geum macrophyllum var. perincisum +Flowering late spring–summer.  +
Geum peckii +Flowering summer.  +
Geum radiatum +Flowering summer.  +
Geum rivale +Flowering mid spring–summer.  +
Geum rossii +Flowering summer.  +
Geum schofieldii +Flowering summer.  +
Geum triflorum var. ciliatum +Flowering late spring–early summer.  +
Geum triflorum var. triflorum +Flowering spring–early summer.  +
Geum urbanum +Flowering summer.  +
Geum vernum +Flowering spring.  +
Geum virginianum +Flowering summer.  +
Gibasis pellucida +Fruiting fall.  +
Gillenia stipulata +Flowering (Apr–)May–Jul.  +
Gillenia trifoliata +Flowering Apr–Jul.  +
Gilmania luteola +Flowering Feb–May.  +
Ginkgo biloba +Pollination March–April  +, seeds shed August–November.  +
Gisekia pharnacioides +Flowering spring–fall.  +
Glabrifolia +Flowering Apr  +, fruiting Sep–Oct.  +
Gladiolus communis +Flowering May–Jul.  +
Gladiolus dalenii subsp. dalenii +Flowering mainly May–Jul.  +
Gladiolus italicus +Flowering mostly Apr–May.  +
Gladiolus tristis +Flowering mostly Mar–Apr.  +
Glandulicactus uncinatus var. wrightii +Flowering Mar–May  +, fruiting May–Jun.  +
Glaucium corniculatum +Flowering late spring–summer.  +
Glaucium flavum +Flowering summer.  +
Glebionis coronaria +Flowering Apr–Jul.  +
Glebionis segetum +Flowering Apr–Aug(–Oct).  +
Glinus lotoides +Flowering late summer–fall.  +
Glinus radiatus +Flowering late summer–fall.  +
Globulinella globifera +Capsules uncommon, maturing fall (Sep–Dec).  +
Glochidion puberum +Flowering and fruiting summer.  +
Glossopetalon clokeyi +Flowering May–Jul.  +
Glossopetalon pungens +Flowering Apr–Jul.  +
Glossopetalon spinescens var. aridum +Flowering Mar–Jun.  +
Glossopetalon spinescens var. meionandrum +Flowering Mar–Jun.  +
Glossopetalon spinescens var. microphyllum +Flowering Apr–Jun.  +
Glossopetalon spinescens var. planitierum +Flowering Mar–May.  +
Glossopetalon spinescens var. spinescens +Flowering Apr–Sep.  +
Glossopetalon texense +Flowering Apr–Jun(–Oct).  +
Glossostigma cleistanthum +Flowering spring–fall  +, fruiting summer–winter.  +
Glyptopleura marginata +Flowering Apr–Jul.  +
Glyptopleura setulosa +Flowering Mar–May.  +
Gnaphalium exilifolium +Flowering Jul–Oct.  +
Gnaphalium palustre +Flowering May–Oct.  +
Gnaphalium uliginosum +Flowering Jul–Oct.  +
Gochnatia hypoleuca +Flowering Dec–Mar.  +
Gomphrena caespitosa +Flowering spring–early summer.  +
Gomphrena globosa +Flowering summer–fall.  +
Gomphrena haageana +Flowering fall.  +
Gomphrena martiana +Flowering fall.  +
Gomphrena nealleyi +Flowering winter–summer.  +
Gomphrena nitida +Flowering late summer–fall.  +
Gomphrena serrata +Flowering year-round.  +
Gomphrena sonorae +Flowering late summer–winter.  +
Gomphrena viridis +Flowering summer–fall.  +
Goodmania luteola +Flowering Apr–Aug.  +
Goodyera oblongifolia +Flowering mid Jul–mid Sep.  +
Goodyera pubescens +Flowering mid Jul–early Sep.  +
Goodyera repens +Flowering early Jul–early Sep.  +
Goodyera tesselata +Flowering mid Jul–early Sep.  +
Gordonia lasianthus +Flowering (Apr-)Jun–Jul(-Oct).  +
Gossypianthus lanuginosus var. lanuginosus +Flowering year-round.  +
Gossypianthus lanuginosus var. tenuiflorus +Flowering summer–fall.  +
Gossypium armourianum +Flowering spring–summer.  +
Gossypium hirsutum +Flowering year-round.  +
Gossypium thurberi +Flowering late summer.  +
Gouania lupuloides +Flowering Aug–Mar.  +
Govenia floridana +Flowering Nov–Dec.  +
Graptopetalum bartramii +Flowering fall–winter.  +
Graptopetalum rusbyi +Flowering late spring.  +
Gratiola amphiantha +Flowering Mar–Apr.  +
Gratiola brevifolia +Flowering Apr–Jun.  +
Gratiola ebracteata +Flowering Apr–Sep(–Nov).  +
Gratiola floridana +Flowering Mar–May.  +
Gratiola graniticola +Flowering Apr–May.  +
Gratiola heterosepala +Flowering Apr–Sep.  +
Gratiola lutea +Flowering May–Oct.  +
Gratiola neglecta +Flowering Mar–Oct.  +
Gratiola quartermaniae +Flowering Apr–Jun.  +
Gratiola ramosa +Flowering Apr–Oct.  +
Gratiola torreyi +Flowering Mar–Apr.  +
Gratiola virginiana +Flowering Mar–Oct.  +
Gratiola viscidula +Flowering May–Oct.  +
Grayia spinosa +Flowering spring–summer.  +
Grindelia adenodonta +Flowering (Jun–)Jul–Sep.  +
Grindelia arizonica +Flowering Jun–Sep(–Oct).  +
Grindelia ciliata +Flowering Aug–Oct.  +
Grindelia decumbens +Flowering Jul–Sep.  +
Grindelia fraxinipratensis +Flowering Jun–Aug(–Oct).  +
Grindelia grandiflora +Flowering Aug–Oct.  +
Grindelia havardii +Flowering Jun–Sep(–Oct).  +
Grindelia hirsutula +Flowering year round, mostly (May–)Jul–Sep(–Nov).  +
Grindelia howellii +Flowering Jul–Sep.  +
Grindelia integrifolia +Flowering Jun–Sep.  +
Grindelia lanceolata +Flowering Jun–Oct.  +
Grindelia microcephala +Flowering (Nov–)Mar–Jun(–Aug).  +
Grindelia oxylepis +Flowering (Apr–)Jun–Sep.  +
Grindelia oölepis +Flowering (May–)Sep–Dec.  +
Grindelia pusilla +Flowering (Nov–)Mar–Jun.  +
Grindelia scabra +Flowering Jun–Sep.  +
Grindelia squarrosa +Flowering Jul–Sep(–Oct).  +
Grindelia subalpina +Flowering Jul–Aug.  +
Grusonia aggeria +Flowering spring (Mar–May).  +
Grusonia clavata +Flowering late spring (May–Jun).  +
Grusonia emoryi +Flowering late spring (May–Jun).  +
Grusonia grahamii +Flowering late spring (May–Jun).  +
Grusonia kunzei +Flowering spring (Apr–Jun).  +
Grusonia parishii +Flowering late spring–early summer (May–Jul).  +
Grusonia pulchella +Flowering late spring (May–Jul).  +
Grusonia schottii +Flowering late spring–early summer (Jun–Jul).  +
Guaiacum angustifolium +Flowering Mar–Sep.  +
Guaiacum sanctum +Flowering Mar–Jul.  +
Guapira discolor +Flowering summer.  +
Guapira obtusata +Flowering summer.  +
Guardiola platyphylla +Flowering spring–late summer.  +
Guilleminea densa var. aggregata +Flowering spring–fall.  +
Guizotia abyssinica +Flowering summer–fall.  +
Gundlachia triantha +Flowering late summer–fall (or with adequate rain).  +
Gutierrezia arizonica +Flowering (Feb–)Mar–May.  +
Gutierrezia californica +Flowering Apr–Nov(–Dec).  +
Gutierrezia microcephala +Flowering (Jun–)Jul–Dec(–Feb).  +
Gutierrezia petradoria +Flowering Aug–Oct(–Nov).  +
Gutierrezia pomariensis +Flowering Jul–Sep.  +
Gutierrezia sarothrae +Flowering Jul–Nov(–Jan).  +
Gutierrezia serotina +Flowering Apr–May and/or Aug–Oct.  +
Gutierrezia sphaerocephala +Flowering (Feb–)May–Dec.  +
Gutierrezia texana var. glutinosa +Flowering Jul–Oct(–Nov).  +
Gutierrezia texana var. texana +Flowering Jul–Sep(–Oct).  +
Gutierrezia wrightii +Flowering Jul–Oct(–Nov).  +
Guzmania monostachia var. monostachia +Flowering spring–summer.  +
Guzmania monostachia var. variegata +Flowering spring–summer.  +
Gyminda latifolia +Flowering summer  +, fruiting late summer–fall.  +
Gymnanthes lucida +Flowering spring–summer (Apr–Jun)  +, fruiting summer–fall (Jul–Oct).  +
Gymnosperma glutinosum +Flowering (Apr–)Jun–Nov(–Dec).  +
Gymnostomiella orcuttii +Sporophytes not seen in area of flora.  +
Gymnostomum aeruginosum +Capsules mature summer–fall.  +
Gymnostomum calcareum +Capsules mature spring.  +
Gymnostomum viridulum +Capsules mature spring–fall.  +
Gynandropsis gynandra +Flowering late spring–late summer.  +
Gynura aurantiaca +Flowering spring–winter.  +
Gypsophila elegans +Flowering summer–early fall.  +
Gypsophila muralis +Flowering summer–fall.  +
Gypsophila paniculata +Flowering summer–fall.  +
Gypsophila scorzonerifolia +Flowering summer–fall.  +
H
Habenaria distans +Flowering Aug–Sep.  +
Habenaria odontopetala +Flowering Sep–Feb.  +
Habenaria quinqueseta +Flowering Aug.  +
Habenaria repens +Flowering primarily summer–fall, sporadically (Apr–Dec).  +
Habranthus robustus +Flowering summer–fall (Jun–Nov).  +
Habranthus tubispathus +Flowering summer–early fall (Jun–Oct).  +
Hageniella micans +Capsules mature early winter.  +
Halesia carolina +Flowering Mar–May  +, fruiting Jun–Nov.  +
Halesia diptera +Flowering Mar–Apr  +, fruiting Jul–Oct.  +
Halimolobos diffusa +Flowering mid Jul-mid Nov.  +
Halimolobos jaegeri +Flowering early Jun-late Aug.  +
Halimolobos pubens +Flowering late Apr-early Aug.  +
Halodule wrightii +Flowering summer.  +
Halogeton glomeratus +Flowering Jul–Aug  +, fruiting fall.  +
Halophila decipiens +Flowering winter–spring.  +
Halophila engelmannii +Flowering spring.  +
Halophila johnsonii +Flowering spring–summer.  +
Hamamelis vernalis +Flowering winter (Dec–Mar).  +
Hamamelis virginiana +Flowering fall (Oct–Nov [Dec]).  +
Hamatocactus bicolor +Flowering spring–early fall.  +
Haplocladium angustifolium +Capsules mature late summer.  +
Haplocladium microphyllum +Capsules mature year-round.  +
Haplocladium virginianum +Capsules mature spring–late summer.  +
Haplodontium macrocarpum +Capsules mature Jul–Aug (summer).  +
Haplodontium tehamense +Capsules mature Aug (summer).  +