Property:Phenology

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Dasiphora fruticosa +
Flowering summer.  +
Dasistoma macrophyllum +
Flowering Jun–Sep.  +
Dasylirion leiophyllum +
Flowering mainly Jun–Jul.  +
Dasylirion texanum +
Flowering May–Jul.  +
Dasylirion wheeleri +
Flowering mostly late May–Jun.  +
Datisca glomerata +
Flowering late Apr–Aug.  +
Decodon verticillatus +
Flowering summer–fall.  +
Decumaria barbara +
Flowering Apr–Jun  +, fruiting Jul–Oct.  +
Dedeckera eurekensis +
Flowering Jun–Oct.  +
Deeringothamnus pulchellus +
Flowering late winter–spring, all year on disturbance.  +
Deeringothamnus rugelii +
Flowering spring, all year as disturbance reaction.  +
Deinandra arida +
Flowering Apr–Nov.  +
Deinandra bacigalupii +
Flowering Jun–Oct.  +
Deinandra clementina +
Flowering Mar–Dec.  +
Deinandra conjugens +
Flowering Apr–Jun.  +
Deinandra corymbosa +
Flowering Mar–Nov.  +
Deinandra fasciculata +
Flowering Apr–Sep.  +
Deinandra floribunda +
Flowering Aug–Nov.  +
Deinandra halliana +
Flowering Apr–May.  +
Deinandra increscens subsp. increscens +
Flowering Apr–Nov.  +
Deinandra increscens subsp. villosa +
Flowering Jun–Sep.  +
Deinandra kelloggii +
Flowering Mar–Nov.  +
Deinandra lobbii +
Flowering May–Dec.  +
Deinandra minthornii +
Flowering Jun–Nov.  +
Deinandra mohavensis +
Flowering (May–)Jul–Oct(–Jan).  +
Deinandra pallida +
Flowering Mar–Jul.  +
Deinandra paniculata +
Flowering May–Nov.  +
Deinandra pentactis +
Flowering Apr–Oct.  +
Deiregyne confusa +
Flowering May–Jul.  +
Delairea odorata +
Flowering year round, mostly Nov–Feb.  +
Delosperma litorale +
Flowering late spring–fall.  +
Delphinium alabamicum +
Flowering mid-late spring.  +
Delphinium alpestre +
Flowering mid-late summer.  +
Delphinium andersonii +
Flowering late spring–early summer.  +
Delphinium andesicola +
Flowering summer–early fall.  +
Delphinium antoninum +
Flowering late spring–early summer.  +
Delphinium bakeri +
Flowering spring.  +
Delphinium barbeyi +
Flowering summer.  +
Delphinium basalticum +
Flowering spring (-early summer).  +
Delphinium bicolor subsp. bicolor +
Flowering late spring–early summer.  +
Delphinium bicolor subsp. calcicola +
Flowering late spring–early summer.  +
Delphinium brachycentrum +
Flowering summer.  +
Delphinium californicum subsp. californicum +
Flowering late spring.  +
Delphinium californicum subsp. interius +
Flowering late spring.  +
Delphinium cardinale +
Flowering spring–early summer.  +
Delphinium carolinianum subsp. calciphilum +
Flowering spring.  +
Delphinium carolinianum subsp. carolinianum +
Flowering late winter–early summer.  +
Delphinium carolinianum subsp. vimineum +
Flowering late winter–early summer.  +
Delphinium carolinianum subsp. virescens +
Flowering late winter–early summer.  +
Delphinium decorum subsp. decorum +
Flowering early-mid spring.  +
Delphinium decorum subsp. tracyi +
Flowering mid-late spring.  +
Delphinium depauperatum +
Flowering summer.  +
Delphinium distichum +
Flowering late spring–early summer.  +
Delphinium elatum +
Flowering summer, more than 8 weeks after snowmelt.  +
Delphinium exaltatum +
Flowering summer.  +
Delphinium geraniifolium +
Flowering summer.  +
Delphinium geyeri +
Flowering late spring–early summer.  +
Delphinium glareosum +
Flowering summer.  +
Delphinium glaucescens +
Flowering summer.  +
Delphinium glaucum +
Flowering summer.  +
Delphinium gracilentum +
Flowering spring–early summer.  +
Delphinium gypsophilum subsp. gypsophilum +
Flowering spring.  +
Delphinium gypsophilum subsp. parviflorum +
Flowering spring.  +
Delphinium hansenii subsp. ewanianum +
Flowering early-mid spring.  +
Delphinium hansenii subsp. hansenii +
Flowering spring(-early summer).  +
Delphinium hansenii subsp. kernense +
Flowering spring.  +
Delphinium hesperium subsp. cuyamacae +
Flowering early summer.  +
Delphinium hesperium subsp. hesperium +
Flowering mid-late spring.  +
Delphinium hesperium subsp. pallescens +
Flowering spring.  +
Delphinium hutchinsoniae +
Flowering spring.  +
Delphinium inopinum +
Flowering summer.  +
Delphinium lineapetalum +
Flowering spring.  +
Delphinium luteum +
Flowering late winter-mid spring.  +
Delphinium madrense +
Flowering spring–early summer.  +
Delphinium menziesii subsp. menziesii +
Flowering spring.  +
Delphinium menziesii subsp. pallidum +
Flowering spring.  +
Delphinium multiplex +
Flowering late spring–summer.  +
Delphinium newtonianum +
Flowering early summer.  +
Delphinium novomexicanum +
Flowering summer to early autumn.  +
Delphinium nudicaule +
Flowering late winter–early summer.  +
Delphinium nuttallianum +
Flowering spring (-early summer).  +
Delphinium nuttallii subsp. nuttallii +
Flowering late spring–early summer.  +
Delphinium nuttallii subsp. ochroleucum +
Flowering late spring.  +
Delphinium parishii subsp. pallidum +
Flowering spring–early summer.  +
Delphinium parishii subsp. parishii +
Flowering spring.  +
Delphinium parishii subsp. subglobosum +
Flowering late winter-mid spring.  +
Delphinium parryi subsp. blochmaniae +
Flowering early spring.  +
Delphinium parryi subsp. eastwoodiae +
Flowering spring.  +
Delphinium parryi subsp. maritimum +
Flowering late winter–spring.  +
Delphinium parryi subsp. parryi +
Flowering spring.  +
Delphinium parryi subsp. purpureum +
Flowering late spring–early summer.  +
Delphinium patens subsp. hepaticoideum +
Flowering spring.  +
Delphinium patens subsp. montanum +
Flowering late spring–early summer.  +
Delphinium patens subsp. patens +
Flowering spring.  +
Delphinium polycladon +
Flowering summer–early autumn.  +
Delphinium purpusii +
Flowering spring.  +
Delphinium ramosum +
Flowering summer.  +
Delphinium recurvatum +
Flowering spring.  +
Delphinium robustum +
Flowering summer.  +
Delphinium sapellonis +
Flowering summer.  +
Delphinium scaposum +
Flowering spring.  +
Delphinium scopulorum +
Flowering late summer–early autumn.  +
Delphinium stachydeum +
Flowering summer.  +
Delphinium sutherlandii +
Flowering spring.  +
Delphinium treleasei +
Flowering late spring.  +
Delphinium tricorne +
Flowering spring.  +
Delphinium trolliifolium +
Flowering spring.  +
Delphinium uliginosum +
Flowering late spring–early summer.  +
Delphinium umbraculorum +
Flowering late spring–early summer.  +
Delphinium variegatum subsp. kinkiense +
Flowering early spring.  +
Delphinium variegatum subsp. thornei +
Flowering spring.  +
Delphinium variegatum subsp. variegatum +
Flowering spring.  +
Delphinium viridescens +
Flowering summer.  +
Delphinium wootonii +
Flowering spring.  +
Delphinium xantholeucum +
Flowering spring.  +
Dendroalsia abietina +
Capsules mature Mar–Jun.  +
Dendromecon harfordii +
Flowering spring–early summer (Apr–Jul).  +
Dendromecon rigida +
Flowering spring–early summer (Apr–Jul).  +
Dendrophylax lindenii +
Flowering May–Aug, occasionally as early as Feb.  +
Dennstaedtia bipinnata +
Sporulates spring and early summer.  +
Dennstaedtia globulifera +
Sporulates summer.  +
Dennstaedtia punctilobula +
Sporulates in summer.  +
Descurainia adenophora +
Flowering Jun–Aug.  +
Descurainia brevisiliqua +
Flowering (late Jun-)Jul–Aug(-early Oct).  +
Descurainia californica +
Flowering Jun–Aug.  +
Descurainia incana +
Flowering May–Sep.  +
Descurainia incisa subsp. incisa +
Flowering late Jun–Aug.  +
Descurainia incisa subsp. paysonii +
Flowering May–Jun.  +
Descurainia kenheilii +
Flowering Aug–Sep.  +
Descurainia longepedicellata +
Flowering Apr–Jul.  +
Descurainia nelsonii +
Flowering late May-mid Jul.  +
Descurainia obtusa +
Flowering May–Sep(-Oct).  +
Descurainia paradisa +
Flowering Apr–Jun.  +
Descurainia pinnata subsp. brachycarpa +
Flowering Mar–Jul.  +
Descurainia pinnata subsp. glabra +
Flowering Feb–Apr(-Jun).  +
Descurainia pinnata subsp. ochroleuca +
Flowering mid Mar–Apr.  +
Descurainia pinnata subsp. pinnata +
Flowering Feb–Apr.  +
Descurainia sophia +
Flowering Mar–Jul.  +
Descurainia sophioides +
Flowering Jun–Sep.  +
Descurainia torulosa +
Flowering Jun–Jul.  +
Deutzia gracilis +
Flowering Apr–Jun.  +
Deutzia parviflora +
Flowering Apr–Jun.  +
Deutzia scabra +
Flowering Apr–Jul.  +
Diamorpha smallii +
Flowering spring.  +
Dianella ensifolia +
Flowering late spring.  +
Dianthus armeria subsp. armeria +
Flowering spring and summer.  +
Dianthus barbatus subsp. barbatus +
Flowering spring–early summer.  +
Dianthus carthusianorum +
Flowering summer.  +
Dianthus deltoides subsp. deltoides +
Flowering early summer.  +
Dianthus plumarius subsp. plumarius +
Flowering spring and summer.  +
Dianthus repens +
Flowering summer.  +
Diapensia lapponica +
Flowering May–Jun(-Aug).  +
Diapensia obovata +
Flowering Jun–Jul.  +
Diaperia candida +
Flowering and fruiting late Mar–early Jun.  +
Diaperia prolifera var. barnebyi +
Flowering and fruiting mid Apr–mid Jun.  +
Diaperia prolifera var. prolifera +
Flowering and fruiting (Apr–)May–Jun(–Sep).  +
Diaperia verna var. drummondii +
Flowering and fruiting mid Feb–mid May.  +
Diaperia verna var. verna +
Flowering and fruiting early Mar–late Jun(–Aug).  +
Dicentra canadensis +
Flowering early–late spring.  +
Dicentra chrysantha +
Flowering early spring–late summer.  +
Dicentra cucullaria +
Flowering early–late spring.  +
Dicentra eximia +
Flowering mid spring–early fall.  +
Dicentra formosa subsp. formosa +
Flowering early spring–early fall.  +
Dicentra formosa subsp. oregana +
Flowering early spring–early fall.  +
Dicentra nevadensis +
Flowering early–late summer.  +
Dicentra ochroleuca +
Flowering early spring–late summer.  +
Dicentra pauciflora +
Flowering late spring–late summer.  +
Dicentra uniflora +
Flowering very early spring–late summer.  +
Dichaetophora campestris +
Flowering (Feb–)Mar–Apr.  +
Dichelostemma capitatum subsp. capitatum +
Flowering mostly spring (Feb–Apr  +, as early as Dec in the south, as late as Jun–Jul for high-elevation populations).  +
Dichelostemma capitatum subsp. pauciflorum +
Flowering time highly variable with elevation.  +
Dichelostemma congestum +
Flowering spring (late Mar–May).  +
Dichelostemma ida-maia +
Flowering spring (May–early Jul).  +
Dichelostemma multiflorum +
Flowering spring (Apr–early Jun).  +
Dichelostemma volubile +
Flowering spring (Apr–early Jun).  +
Dichodontium olympicum +
Capsules mature summer–fall (Jul–Oct).  +
Dichodontium pellucidum +
Capsules mature late fall–early spring.  +
Dichromanthus cinnabarinus +
Flowering Jul–Oct.  +
Dicoria canescens +
Flowering year round, mostly Oct–Feb.  +
Dicranella cerviculata +
Capsules mature summer.  +
Dicranella crispa +
Capsules mature spring and summer.  +
Dicranella heteromalla +
Capsules mature spring and summer.  +
Dicranella hilariana +
Capsules mature late summer.  +
Dicranella lindigiana +
Capsules mature spring.  +
Dicranella pacifica +
Capsules mature fall and winter.  +
Dicranella palustris +
Capsules mature spring.  +
Dicranella rufescens +
Capsules mature spring and summer.  +
Dicranella schreberiana +
Capsules mature fall.  +
Dicranella subulata +
Capsules mature spring and summer.  +
Dicranella varia +
Capsules mature spring.  +
Dicranocarpus parviflorus +
Flowering Sep–Oct.  +
Dicranostegia orcuttiana +
Flowering Mar–Aug.  +
Dicranoweisia cirrata +
Capsules mature late fall–winter.  +
Dicranoweisia crispula +
Capsules mature spring–early summer.  +
Dicranum acutifolium +
Capsules mature summer.  +
Dicranum bonjeanii +
Capsules mature spring.  +
Dicranum brevifolium +
Capsules mature summer.  +
Dicranum condensatum +
Capsules mature spring.  +
Dicranum elongatum +
Capsules mature in summer.  +
Dicranum flagellare +
Capsules mature in spring.  +
Dicranum fragilifolium +
Capsules mature in summer.  +
Dicranum fulvum +
Capsules mature in spring.  +
Dicranum fuscescens var. flexicaule +
Capsules mature summer.  +
Dicranum fuscescens var. fuscescens +
Capsules mature spring.  +
Dicranum groenlandicum +
Capsules mature in summer.  +
Dicranum howellii +
Capsules mature spring.  +
Dicranum leioneuron +
Capsules mature spring.  +
Dicranum majus var. majus +
Capsules mature spring.  +
Dicranum majus var. orthophyllum +
Capsules mature spring.  +
Dicranum montanum +
Capsules mature in spring.  +
Dicranum muehlenbeckii +
Capsules mature in summer.  +
Dicranum ontariense +
Capsules mature spring.  +
Dicranum pallidisetum +
Capsules mature in summer.  +
Dicranum polysetum +
Capsules mature spring.  +
Dicranum rhabdocarpum +
Capsules mature summer.  +
Dicranum scoparium +
Capsules mature spring.  +
Dicranum spadiceum +
Capsules mature in summer.  +
Dicranum spurium +
Capsules mature spring.  +
Dicranum tauricum +
Capsules mature in summer.  +
Dicranum undulatum +
Capsules mature spring.  +
Dicranum viride +
Capsules mature in spring.  +
Didiplis diandra +
Flowering late spring–fall.  +
Didymodon asperifolius +
Capsule maturity undetermined.  +
Didymodon australasiae +
Capsules mature winter–spring.  +
Didymodon bistratosus +
Capsules mature spring (Apr).  +
Didymodon brachyphyllus +
Capsules mature spring–fall.  +
Didymodon eckeliae +
Sporophyte maturity undetermined.  +
Didymodon fallax +
Capsules mature throughout year.  +
Didymodon ferrugineus +
Capsules mature winter–spring.  +
Didymodon johansenii +
Capsules mature summer (Jul–Aug).  +
Didymodon nicholsonii +
Capsules mature spring–summer.  +
Didymodon nigrescens +
Capsules mature spring–fall.  +
Didymodon norrisii +
Capsules mature May.  +
Didymodon revolutus +
Capsule maturity not determined.  +
Didymodon rigidulus var. gracilis +
Capsules mature spring–winter.  +
Didymodon rigidulus var. icmadophilus +
Capsules mature summer–fall.  +
Didymodon rigidulus var. rigidulus +
Capsules mature May–Sep.  +
Didymodon rigidulus var. subulatus +
Capsule maturity unknown.  +
Didymodon tophaceus +
Capsules mature winter–spring.  +
Didymodon umbrosus +
Capsules maturity not determined.  +
Didymodon vinealis var. rubiginosus +
Capsules mature spring.  +
Didymodon vinealis var. vinealis +
Capsules mature spring–summer.  +
Dieteria asteroides var. asteroides +
Flowering Jul–Oct.  +
Dieteria asteroides var. glandulosa +
Flowering May–Oct.  +
Dieteria asteroides var. lagunensis +
Flowering Aug–Oct.  +
Dieteria bigelovii var. bigelovii +
Flowering Jul–Oct.  +
Dieteria bigelovii var. commixta +
Flowering Jun–Sep.  +
Dieteria bigelovii var. mucronata +
Flowering Aug–Sep.  +
Dieteria canescens var. ambigua +
Flowering Aug–Oct.  +
Dieteria canescens var. aristata +
Flowering Aug–Sep.  +
Dieteria canescens var. canescens +
Flowering Jul–Nov.  +
Dieteria canescens var. glabra +
Flowering Jul–Sep.  +
Dieteria canescens var. incana +
Flowering Jun–Oct.  +
Dieteria canescens var. leucanthemifolia +
Flowering Jun–Sep.  +
Dieteria canescens var. nebraskana +
Flowering Aug–Sep.  +
Dieteria canescens var. sessiliflora +
Flowering Aug–Oct.  +
Dieteria canescens var. shastensis +
Flowering Aug–Oct.  +
Dieteria canescens var. ziegleri +
Flowering Jul–Oct.  +
Digitalis grandiflora +
Flowering Mar–Jul.  +
Digitalis lanata +
Flowering Jun–Jul.  +
Digitalis lutea +
Flowering Jun–Jul.  +
Digitalis purpurea subsp. purpurea +
Flowering May–Aug.  +
Dimeresia howellii +
Flowering spring–summer.  +
Dimorphocarpa candicans +
Flowering Apr–Sep.  +
Dimorphocarpa pinnatifida +
Flowering Mar–Apr.  +
Dimorphocarpa wislizeni +
Flowering Feb–Oct.  +
Dimorphotheca pluvialis +
Flowering Mar–Apr.  +
Dimorphotheca sinuata +
Flowering (Dec–)Mar–May.  +
Dionaea muscipula +
Flowering late May–Jun.  +
Dioscorea alata +
Flowering late summer  +, fruiting into late fall.  +
Dioscorea bulbifera +
Flowering late summer–early fall.  +
Dioscorea floridana +
Flowering late spring–mid summer  +, fruiting late summer.  +
Dioscorea villosa +
Flowering mid spring–summer  +, fruiting late summer.  +
Diospyros ebenum +
Flowering Apr–May  +, fruiting Jun–Aug.  +
Diospyros maritima +
Flowering intermittently year-round  +, fruiting year-round.  +
Diospyros texana +
Flowering Feb–Mar  +, fruiting Aug.  +
Diospyros virginiana +
Flowering Mar–Jun  +, fruiting Aug–Dec.  +
Diphylleia cymosa +
Flowering late spring, fruiting summer.  +
Diphyscium foliosum +
Capsules mature early summer.  +
Diphyscium mucronifolium +
Sporophytes infrequent, capsules mature summer.  +
Diplacus angustatus +
Flowering Mar–May(–Jun).  +
Diplacus aridus +
Flowering Apr–Jun.  +
Diplacus aurantiacus +
Flowering Apr–Aug.  +
Diplacus bicolor +
Flowering May–Sep.  +
Diplacus bigelovii var. bigelovii +
Flowering Feb–Jun(–Sep).  +
Diplacus bigelovii var. cuspidatus +
Flowering Feb–Jun(–Sep).  +
Diplacus bolanderi +
Flowering Apr–Jul.  +
Diplacus brandegeei +
Flowering Mar–Apr(–May).  +
Diplacus brevipes +
Flowering Apr–Jul.  +
Diplacus calycinus +
Flowering Apr–Jul.  +
Diplacus cascadensis +
Flowering Jun–Aug.  +
Diplacus clevelandii +
Flowering Apr–Jun(–Jul).  +
Diplacus clivicola +
Flowering May–Aug.  +
Diplacus compactus +
Flowering May–Jul.  +
Diplacus congdonii +
Flowering Feb–May.  +
Diplacus constrictus +
Flowering May–Aug.  +
Diplacus cusickii +
Flowering May–Jul.  +
Diplacus cusickioides +
Flowering May–Aug.  +
Diplacus deschutesensis +
Flowering Jun–Aug.  +
Diplacus douglasii +
Flowering Feb–Apr(–May).  +
Diplacus fremontii +
Flowering Mar–Jun.  +
Diplacus grandiflorus +
Flowering Apr–Jun.  +
Diplacus graniticola +
Flowering Apr–Sep.  +
Diplacus jepsonii +
Flowering Jun–Aug.  +
Diplacus johnstonii +
Flowering May–Aug.  +
Diplacus kelloggii +
Flowering Mar–Jun.  +
Diplacus layneae +
Flowering May–Aug.  +
Diplacus leptaleus +
Flowering Jun–Aug.  +
Diplacus linearis +
Flowering Apr–Jun.  +
Diplacus longiflorus +
Flowering (Mar–)Apr–Jul.  +
Diplacus mephiticus +
Flowering (May–)Jun–Aug(–Sep).  +
Diplacus mohavensis +
Flowering Apr–May.  +
Diplacus nanus +
Flowering (Apr–)May–Jul.  +
Diplacus ovatus +
Flowering Apr–Jun(–Aug).  +
Diplacus parryi +
Flowering Apr–Jun(–Jul).  +
Diplacus parviflorus +
Flowering Mar–Aug.  +
Diplacus pictus +
Flowering Mar–May.  +
Diplacus pulchellus +
Flowering Apr–Jul.  +
Diplacus puniceus +
Flowering Jan–Jul(–Oct).  +
Diplacus pygmaeus +
Flowering May–Jun.  +
Diplacus rattanii +
Flowering Apr–Jul.  +
Diplacus rupicola +
Flowering Feb–Jun.  +
Diplacus rutilus +
Flowering Mar–Jun.  +
Diplacus thompsonii +
Flowering May–Jul.  +
Diplacus torreyi +
Flowering May–Aug.  +
Diplacus traskiae +
Flowering Mar–Apr.  +
Diplacus tricolor +
Flowering Mar–Jul(–Aug).  +
Diplacus vandenbergensis +
Flowering Apr–Jun.  +
Diplacus viscidus +
Flowering Apr–Jul.  +
Diplotaxis erucoides +
Flowering summer.  +
Diplotaxis muralis +
Flowering spring–fall.  +
Diplotaxis tenuifolia +
Flowering spring–fall.  +
Dirca decipiens +
Flowering spring (Mar–Apr)  +, fruiting late spring (May–Jun).  +
Dirca occidentalis +
Flowering winter (Nov–Mar)  +, fruiting late spring–summer (May–Jun).  +
Dirca palustris +
Flowering spring (Mar–May)  +, fruiting summer (Jul–Aug).  +
Discelium nudum +
Capsules mature spring.  +
Distichium capillaceum +
Capsules mature summer–fall.  +
Distichium hagenii +
Capsules mature late summer–fall.  +
Distichium inclinatum +
Capsules mature summer–fall.  +
Dithyrea californica +
Flowering (depending on elevation) Mar–Oct.  +
Dithyrea maritima +
Flowering Mar–Aug.  +
Ditrichum ambiguum +
Capsules mature spring and summer (Apr–Jul).  +
Ditrichum flexicaule +
Capsules seldom produced, mature summer (Jun–Jul).  +
Ditrichum gracile +
Capsules rarely produced, mature summer (Jul).  +
Ditrichum heteromallum +
Capsules mature summer (Jun–Aug).  +
Ditrichum lineare +
Capsules mature spring (Apr–May).  +
Ditrichum montanum +
Capsules mature summer (Jul–Aug).  +
Ditrichum pallidum +
Capsules mature winter–summer (Feb–Jul).  +
Ditrichum pusillum +
Capsules mature spring–summer (Apr–Jun).  +
Ditrichum rhynchostegium +
Capsules mature summer (Jun–Aug).  +
Ditrichum schimperi +
Capsules mature spring (Apr–May).  +
Ditrichum tortuloides +
Capsules mature spring (Jun).  +
Ditrysinia fruticosa +
Flowering Apr–Jun  +, fruiting Jul–Oct.  +
Dittrichia graveolens +
Flowering Sep–Nov.  +
Dodecahema leptoceras +
Flowering May–Jun.  +
Dodecatheon alpinum +
Flowering late spring–summer.  +
Dodecatheon amethystinum +
Flowering late spring–early summer.  +
Dodecatheon austrofrigidum +
Flowering spring.  +
Dodecatheon clevelandii var. clevelandii +
Flowering winter–spring.  +
Dodecatheon clevelandii var. gracile +
Flowering spring.  +
Dodecatheon clevelandii var. insulare +
Flowering late winter–spring.  +
Dodecatheon clevelandii var. patulum +
Flowering spring.  +
Dodecatheon conjugens var. conjugens +
Flowering spring–early summer.  +
Dodecatheon conjugens var. viscidum +
Flowering spring–early summer.  +
Dodecatheon dentatum +
Flowering late spring–summer.  +
Dodecatheon ellisiae +
Flowering late spring–summer.  +
Dodecatheon frenchii +
Flowering spring.  +
Dodecatheon frigidum +
Flowering summer.  +
Dodecatheon hendersonii +
Flowering winter–early summer.  +
Dodecatheon jeffreyi +
Flowering summer.  +
Dodecatheon meadia +
Flowering spring–early summer.  +
Dodecatheon poeticum +
Flowering spring.  +
Dodecatheon pulchellum var. cusickii +
Flowering late spring.  +
Dodecatheon pulchellum var. distolum +
Flowering late spring–early summer.  +
Dodecatheon pulchellum var. macrocarpum +
Flowering late spring–summer.  +
Dodecatheon pulchellum var. monanthum +
Flowering spring–summer.  +
Dodecatheon pulchellum var. pulchellum +
Flowering spring–summer.  +
Dodecatheon pulchellum var. shoshonense +
Flowering late spring–summer.  +
Dodecatheon pulchellum var. zionense +
Flowering summer.  +
Dodecatheon redolens +
Flowering late spring–summer.  +
Dodecatheon subalpinum +
Flowering summer.  +
Dodecatheon utahense +
Flowering late spring–summer.  +
Doellingeria infirma +
Flowering mid summer–early fall.  +
Doellingeria sericocarpoides +
Flowering fall.  +
Doellingeria umbellata var. pubens +
Flowering late summer–fall.  +
Doellingeria umbellata var. umbellata +
Flowering late summer–fall.  +
Donnellia commutata +
Capsules mature winter.  +
Dopatrium junceum +
Flowering Jun–Sep.  +
Doronicum orientale +
Flowering Mar–May.  +
Doronicum pardalianches +
Flowering May–Sep.  +
Doronicum plantagineum +
Flowering Mar–May.  +
Dorstenia contrajerva +
Flowering all year.  +
Douglasia alaskana +
Flowering early summer.  +
Douglasia arctica +
Flowering early summer.  +
Douglasia beringensis +
Flowering early summer.  +
Douglasia gormanii +
Flowering early summer.  +
Douglasia idahoensis +
Flowering mid summer.  +
Douglasia laevigata +
Flowering early summer.  +
Douglasia montana +
Flowering early-mid summer.  +
Douglasia nivalis +
Flowering early-mid summer.  +
Douglasia ochotensis +
Flowering early summer.  +
Draba abajoensis +
Flowering May–Aug.  +
Draba albertina +
Flowering Jun–Aug.  +
Draba aleutica +
Flowering May–Jul.  +
Draba alpina +
Flowering Jun–Aug.  +
Draba aprica +
Flowering Mar–May.  +
Draba arabisans +
Flowering Jun–Aug.  +
Draba arctica +
Flowering Jun–Jul.  +
Draba arctogena +
Flowering Jun–Jul.  +
Draba argyrea +
Flowering Apr–Jul.  +
Draba arida +
Flowering May–Jul.  +
Draba asprella var. asprella +
Flowering Mar–May.  +
Draba asprella var. stelligera +
Flowering Apr–Jul.  +
Draba asterophora +
Flowering Jun–Aug.  +
Draba aurea +
Flowering Jun–Aug.  +
Draba aureola +
Flowering Jul–Aug.  +
Draba bifurcata +
Flowering Jun–Jul.  +
Draba borealis +
Flowering Jun–Jul.  +
Draba brachycarpa +
Flowering Feb–May.  +
Draba brachystylis +
Flowering Jun–Jul.  +
Draba breweri +
Flowering Jul–Aug.  +
Draba burkei +
Flowering May–Jul.  +
Draba californica +
Flowering Jun–Aug.  +
Draba cana +
Flowering (May-)Jun–Aug.  +
Draba carnosula +
Flowering Jun–Jul.  +
Draba chamissonis +
Flowering Jun–Jul.  +
Draba cinerea +
Flowering Jun–Jul.  +
Draba corrugata +
Flowering Jun–Jul.  +
Draba corymbosa +
Flowering Jun–Aug.  +
Draba crassa +
Flowering Jul–Aug.  +
Draba crassifolia +
Flowering Jun–Sep.  +
Draba cruciata +
Flowering Jul–Aug.  +
Draba cuneifolia var. cuneifolia +
Flowering Mar–May.  +
Draba cuneifolia var. integrifolia +
Flowering Jan–Mar.  +
Draba cuneifolia var. sonorae +
Flowering Feb–Mar.  +
Draba cusickii +
Flowering Jun–Jul.  +
Draba cyclomorpha +
Flowering Jul–Aug.  +
Draba daviesiae +
Flowering Jul–Aug.  +
Draba densifolia +
Flowering Jun–Aug.  +
Draba exunguiculata +
Flowering Jul–Aug.  +
Draba fladnizensis +
Flowering Jun–Aug.  +
Draba glabella +
Flowering May–Aug.  +
Draba globosa +
Flowering Jun–Aug.  +
Draba graminea +
Flowering Jul–Sep.  +
Draba grandis +
Flowering May–Jul.  +
Draba grayana +
Flowering Jul–Aug.  +
Draba heilii +
Flowering Jun–Jul.  +
Draba helleriana +
Flowering Jun–Sep.  +
Draba hitchcockii +
Flowering May–Jun.  +
Draba howellii +
Flowering Jul–Aug.  +
Draba incana +
Flowering Jul–Aug.  +
Draba incerta +
Flowering Jun–Aug.  +
Draba incrassata +
Flowering Jun–Aug.  +
Draba inexpectata +
Flowering Jul–Aug.  +
Draba jaegeri +
Flowering Jun–Aug.  +
Draba juvenilis +
Flowering Jun–Jul.  +
Draba kassii +
Flowering Apr–Jun.  +
Draba kluanei +
Flowering Jul.  +
Draba lactea +
Flowering Jun–Aug.  +
Draba lemmonii +
Flowering Jul–Aug.  +
Draba lonchocarpa +
Flowering Jun–Jul.  +
Draba longisquamosa +
Flowering Jul.  +
Draba macounii +
Flowering Jun–Aug.  +
Draba maguirei +
Flowering May–Jul.  +
Draba malpighiacea +
Flowering Jun–Aug.  +
Draba micropetala +
Flowering Jun–Jul.  +
Draba mogollonica +
Flowering Apr–May.  +
Draba monoensis +
Flowering Jul–Aug.  +
Draba mulliganii +
Flowering Jun–Jul.  +
Draba murrayi +
Flowering Jun–Jul.  +
Draba nemorosa +
Flowering Apr–Jul.  +
Draba nivalis +
Flowering Jun–Aug.  +
Draba norvegica +
Flowering Jun–Aug.  +
Draba novolympica +
Flowering Jun–Aug.  +
Draba oblongata +
Flowering Jun–Jul.  +
Draba ogilviensis +
Flowering Jun–Aug.  +
Draba oligosperma +
Flowering May–Jul.  +
Draba oreibata +
Flowering May–Jul.  +
Draba oxycarpa +
Flowering Jun–Jul.  +
Draba palanderiana +
Flowering Jun–Jul.  +
Draba pauciflora +
Flowering Jun–Aug.  +
Draba paucifructa +
Flowering Jun–Jul.  +
Draba paysonii +
Flowering Jun–Jul.  +
Draba pectinipila +
Flowering Apr–Jun.  +
Draba pedicellata +
Flowering May–Jul.  +
Draba pennellii +
Flowering May–Jul.  +
Draba petrophila +
Flowering Jul–Sep.  +
Draba pilosa +
Flowering Jul–Aug.  +
Draba platycarpa +
Flowering Feb–Mar.  +
Draba porsildii +
Flowering Jun–Jul.  +
Draba praealta +
Flowering Jun–Aug.  +
Draba pterosperma +
Flowering Jun–Sep.  +
Draba ramosissima +
Flowering Apr–Jun.  +
Draba ramulosa +
Flowering Jun–Aug.  +
Draba rectifructa +
Flowering Apr–Aug.  +
Draba reptans +
Flowering Feb–Jun(-Aug).  +
Draba ruaxes +
Flowering Jun–Jul.  +
Draba santaquinensis +
Flowering late Apr-early Jun.  +
Draba saxosa +
Flowering Jun–Jul.  +
Draba scotteri +
Flowering Jun–Jul.  +