17A. 1830. James G. Harris EndemicConservation concern Synonyms: Braya purpurascens subsp. pilosa (Hooker) Hultén Treatment appears in FNA Volume 7. Treatment
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Illustrated Synonyms: Cyperus brizaeus Vahl Cyperus brunneus Swartz Cyperus purpurascens Vahl Treatment appears in FNA Volume 23. Treatment on page 172. Mentioned
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Rahmona A. Thompson Common names: Paragrass Introduced Synonyms: Panicum purpurascens Brachiaria mutica Treatment appears in FNA Volume 25. Treatment on page
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viscosum Sophia glandulifera Sophia incisa Sophia leptophylla Sophia purpurascens Sophia serrata Sophia sonnei Sophia viscosa Treatment appears in FNA
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2. 1948. James G. Harris EndemicConservation concern Synonyms: Braya purpurascens var. fernaldii (Abbe) B. Boivin Treatment appears in FNA Volume 7. Treatment
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Synonyms: H. purpurascens subsp. congdonis (Rydberg) Abrams Ivesia purpurascens subsp. congdonis (Rydberg) D. D. Keck Potentilla purpurascens var. congdonis (Rydberg)
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exannulatus var. purpurascens (Schimper) Herzog D. exannulatus var. rotae (De Notaris) Loeske Warnstorfia exannulata W. exannulata var. purpurascens (Schimper)
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bryoides (R. Brown) Ångstrom B. purpurascens (R. Brown) Bruch & Schimper Ptychostomum bryoides (R. Brown) J. R. Spence P. purpurascens (R. Brown) J. R. Spence
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Guy L. Nesom Illustrated Synonyms: Pluchea petiolata Cassini Pluchea purpurascens (Swartz) de Candolle Treatment appears in FNA Volume 19. Treatment on
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coloradensis (Rydberg) Holub Noccaea glauca (A. Nelson) Holub Thlaspi alpestre var. purpurascens (Rydberg) Ostenfeld Thlaspi australe Rydberg Thlaspi coloradense A. Gray
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Calamagrostis purpurascens (p. 710) (C.L. Hitchcock et al. 1969) or C. sesquiflora (p. 714) (Kawano 1965). It differs from C. purpurascens in having glabrous
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Guy L. Nesom Common names: Saltmarsh fleabane Endemic Basionym: Pluchea purpurascens var. succulenta Fernald Rhodora 44: 227. 1942 Treatment appears in FNA
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Castilleja exserta subsp. venusta (A. Heller) T. I. Chuang & Heckard O. purpurascens var. ornatus Jepson Treatment appears in FNA Volume 17. Treatment on
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latifolium Fenzl Cerastium arvense var. ophiticola Raymond Cerastium arvense var. purpurascens B. Boivin Cerastium arvense var. sonnei (Greene) Smiley Cerastium arvense
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Common names: Stipoid ricegrass Synonyms: Piptochaetium stipoides var. purpurascens Treatment appears in FNA Volume 24. Treatment on page 166. Illustrator:
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Wilson, Richard E. Brainerd, Nick Otting Endemic Basionym: Orthocarpus purpurascens var. latifolius S. Watson Botany (Fortieth Parallel), 458. 1871 Synonyms:
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rivularis var. hyperborea (R. Brown) Hooker Saxifraga rivularis var. purpurascens Lange Treatment appears in FNA Volume 8. Treatment on page 144. Mentioned
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has not been verified. Calamagrostis montanensis may be mistaken for C. purpurascens (p. 710), but the latter species has hairy adaxial leaf surfaces and
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quite distinct from subspp. cusickii and pallida, and differs from subsp. purpurascens in having on average more and shorter spikelets, lemmas that are shorter
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lemmas, and lacks a well-developed web. It approaches P. cusickii subsp. purpurascens (p. 562), but is rhizomatous and sexually reproducing. It differs from
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