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Helianthus carnosus, Helianthus ciliaris, Helianthus cusickii, Helianthus debilis, Helianthus decapetalus, Helianthus deserticola, Helianthus divaricatus

pistillate, fertile; corollas yellow to orangish (sometimes white in L. debilis, often somewhat darker proximally, laminae rarely lacking in L. glaberrima

Juncus caesariensis, Juncus canadensis, Juncus chlorocephalus, Juncus debilis, Juncus diffusissimus, Juncus dubius, Juncus elliottii, Juncus megacephalus

caerulea, Oxalis californica, Oxalis colorea, Oxalis corniculata, Oxalis debilis, Oxalis decaphylla, Oxalis dichondrifolia, Oxalis dillenii, Oxalis drummondii

speciesHelianthus debilis Show Lower Taxa Helianthus debilis subsp. cucumerifolius, Helianthus debilis subsp. debilis, Helianthus debilis subsp. silvestris

Penstemon cyaneus, Penstemon cyanocaulis, Penstemon deaveri, Penstemon debilis, Penstemon fremontii, Penstemon gibbensii, Penstemon glaber, Penstemon hallii

Saxifraga cespitosa, Saxifraga cherlerioides, Saxifraga chrysantha, Saxifraga debilis, Saxifraga eschscholtzii, Saxifraga flagellaris, Saxifraga hirculus, Saxifraga

contermina, Packera crocata, Packera cymbalaria, Packera cynthioides, Packera debilis, Packera dimorphophylla, Packera eurycephala, Packera fendleri, Packera

corniculata, Rhynchospora crinipes, Rhynchospora curtissii, Rhynchospora debilis, Rhynchospora decurrens, Rhynchospora divergens, Rhynchospora elliottii

assiniboinensis, Carex castanea, Carex cherokeensis, Carex davisii, Carex debilis, Carex formosa, Carex gracillima, Carex gynodynama, Carex hirtissima, Carex

sectionCarex sect. Hymenochlaenae speciesCarex debilis Show Lower Taxa Carex debilis var. debilis, Carex debilis var. rudgei Michaux Fl. Bor.-Amer. 2: 172.

genusLasthenia sectionLasthenia sect. Burrielia Show Lower Taxa Lasthenia debilis, Lasthenia microglossa (de Candolle) Ornduff Univ. Calif. Publ. Bot. 40:

Triglochin concinna J. B. Davy Triglochin concinna var. debilis (M. E. Jones) J. T. Howell Triglochin debilis Nuttall Triglochin elata Treatment appears in FNA

Baeriinae genusLasthenia sectionLasthenia sect. Burrielia speciesLasthenia debilis (Greene ex A. Gray) Ornduff Univ. Calif. Publ. Bot. 40: 63. 1966. Raymund

familyJuncaceae genusJuncus subgenusJuncus subg. Septati speciesJuncus debilis A. Gray Manual 506. 1848, name conserved. Ralph E. Brooks*, Steven E. Clemants*

speciesCarex debilis varietyCarex debilis var. debilis Marcia J. Waterway IllustratedEndemic Synonyms: Carex debilis var. intercursa A. Gray Carex debilis var.

allegheniensis Mackenzie Carex debilis var. intercursa Fernald Carex debilis var. interjecta L. H. Bailey Carex debilis var. pubera A. Gray Carex debilis var. strictior L

speciesPackera debilis (Nuttall) W. A. Weber & Á. Löve Phytologia 49: 46. 1981. Debra K. Trock Common names: Weak groundsel Endemic Basionym: Senecio debilis Nuttall

Lihová Introduced Synonyms: Cardamine flexuosa subsp. debilis O. E. Schulz Cardamine flexuosa var. debilis (O. E. Schulz) T. Y. Cheo & R. C. Fang Cardamine

bentgrass Calamagrostide de pickering Endemic Synonyms: Calamagrostis pickeringii var. debilis Treatment appears in FNA Volume 24. Treatment on page 724. Illustrator:

Common names: Rusby’s sedge Illustrated Synonyms: Cyperus fendlerianus var. debilis (Britton) Kükenthal Cyperus fendlerianus var. leucolepis (Boeckeler) Kükenthal

subtribe Helianthinae genusHelianthus speciesHelianthus debilis subspeciesHelianthus debilis subsp. debilis Edward E. Schilling Common names: Beach sunflower

Heliantheae) subtribe Helianthinae genusHelianthus speciesHelianthus debilis subspeciesHelianthus debilis subsp. vestitus (E. Watson) Heiser Madroño 13: 154. 1956

Heliantheae) subtribe Helianthinae genusHelianthus speciesHelianthus debilis subspeciesHelianthus debilis subsp. tardiflorus Heiser Madroño 13: 154, figs. 5, 6. 1956

Heliantheae) subtribe Helianthinae genusHelianthus speciesHelianthus debilis subspeciesHelianthus debilis subsp. silvestris Heiser Madroño 13: 158, fig. 6. 1956. Edward

Heliantheae) subtribe Helianthinae genusHelianthus speciesHelianthus debilis subspeciesHelianthus debilis subsp. cucumerifolius (Torrey & A. Gray) Heiser Madroño 13:

flora). The taxa of Helianthus praecox were placed as subspecies of H. debilis by C. B. Heiser (1956). They were separated later, primarily on the basis

Endemic Synonyms: Saxifraga cernua var. debilis (Engelmann ex A. Gray) Engler Saxifraga hyperborea subsp. debilis (Engelmann ex A. Gray) Á. Löve, D. Löve

speciesRhynchospora debilis Gale Rhodora 46: 194, plate 826, figs. 5A, B. 1944. Robert Kral IllustratedEndemic Synonyms: Rhynchospora fascicularis var. debilis (Gale)

martiana (Zuccarini) Small Oxalis corymbosa de Candolle O. debilis subsp. corymbosa (de Candolle) O. Bolòs & Vigo O. debilis var. corymbosa (de Candolle) Lourteig O. martiana Zuccarini

subgenusPenstemon subg. Penstemon sectionPenstemon sect. Glabri speciesPenstemon debilis O’Kane & J. L. Anderson Brittonia 39: 412, fig. 1. 1987. Craig C. Freeman

acris subsp. debilis (A. Gray) Piper Erigeron acris var. debilis A. Gray Erigeron angulosus subsp. debilis (A. Gray) Piper Erigeron debilis (Hooker) Greene

laxiretis Renauld & Cardot Dicranella leptotrichoides Renauld & Cardot Microdus debilis (T. Drummond) Paris Microdus laxiretis (Renauld & Cardot) Paris Microdus

(Fortieth Parallel), 102. 1871,. Hideaki Ohba Endemic Synonyms: Gormania debilis (S. Watson) Britton Treatment appears in FNA Volume 8. Treatment on page

fig. 2. 1815 Synonyms: Octodiceras julianum var. ohioense Emig Fissidens debilis (Savi) Schimper Fissidens julianus Treatment appears in FNA Volume 27. Treatment

names: Texas sunflower EndemicConservation concern Synonyms: Helianthus debilis subsp. praecox Treatment appears in FNA Volume 21. Treatment on page 152

names: Dimmit sunflower EndemicConservation concern Basionym: Helianthus debilis subsp. hirtus Heiser Madroño 13: 162, fig. 7. 1956 Treatment appears in

Schilling Common names: Runyon’s sunflower Endemic Basionym: Helianthus debilis subsp. runyonii Heiser Madroño 13: 161, fig. 7. 1956 Synonyms: Helianthus

here in Coreopsis pubescens may merit recognition as C. debilis Sherff or C. pubescens var. debilis. None. None. window.propertiesFromHigherTaxa=[{"rank":"section"

rivularis to what we call S. hyperborea, and S. hyperborea subsp. debilis to what we call S. debilis. P. K. Holmgren and N. H. Holmgren (1997) included under their

to overlook. Besides growing in habitats similar to those occupied by L. debilis, L. microglossa is found also beneath chaparral shrubs and extends into

alsinoides Greene Anotites bakeri Greene Anotites costata Greene Anotites debilis Greene Anotites diffusa Greene Anotites discurrens Greene Anotites dorrii (Kellogg)

elsewhere (e.g., introduced in Ontario). Hybrids with with H. annuus and H. debilis have been reported. None. None. window.propertiesFromHigherTaxa=[{"rank":"species"

found in close proximity. Carex castanea also hybridizes rarely with C. debilis var. rudgei and probably also with C. gracillima, although the latter hybrid

species is the subject of ongoing study. Hybrids between both groups and C. debilis have been confirmed. None. None. window.propertiesFromHigherTaxa=[{"rank":"section"