Subfamily:
  Orchidoideae
Tribe:
  Cranichideae
Subtribe:
  Spiranthinae
Genus: Spiranthes:
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  • Québec, Eastern Canada, Northern America
  • Illinois, Northern America
  • Iowa, Northern America
  • Kansas, Northern America
  • Missouri, Northern America
  • Nebraska, Northern America
  • Oklahoma, Northern America
  • Connecticut, Northern America
  • Indiana, Northern America
  • Massachusetts, Northern America
  • New Hampshire, Northern America
  • New Jersey, Northern America
  • New York, Northern America
  • Ohio, Northern America
  • Pennsylvania, Northern America
  • Rhode Island, Northern America
  • West Virginia, Northern America
  • Texas, Northern America
  • Alabama, Northern America
  • Arkansas, Northern America
  • Delaware, Northern America
  • Florida, Northern America
  • Georgia, Northern America
  • Kentucky, Northern America
  • Louisiana, Northern America
  • Maryland, Northern America
  • Mississippi, Northern America
  • North Carolina, Northern America
  • South Carolina, Northern America
  • Tennessee, Northern America
  • Virginia, Northern America
  • District of Columbia, Northern America
  • Mexico Northeast, Northern America
  • Mexico Southeast, Northern America
  • Guatemala, Southern America
  • Bahamas, Southern America
  • Gyrostachys ensifolia (Rchb.f.) Kuntze (1891)
  • Gyrostachys linearis Rydb. (1901)
  • Gyrostachys praecox (Britton, Sterns & Poggenb.) Kuntze (1891)
  • Gyrostachys reverchonii Small (1898)
  • Gyrostachys vernalis (Engelm. & A.Gray) Kuntze (1891)
  • Gyrostachys xyridifolia Small (1903)
  • Ibidium vernale (Engelm. & A.Gray) House (1905)
  • Ophrys aestivalis illeg Michx. (1803)
  • Spiranthes ensifolia Rchb.f. (1856)
  • Spiranthes graminea var. praecox Britton, Sterns & Poggenb. (1888)
  • Spiranthes reverchonii (Small) K.Schum. (1898)
  • Triorchis linearis (Rydb.) Nieuwl. (1913)
  • Triorchis vernalis (Engelm. & A.Gray) House (1920)
  • Triorchis xyridifolius (Small) Britton (1918)
David Peterson
Spir. vernalis
David Peterson
Spir. vernalis
Zach Bradford
Spir. vernalis
Alan Abbott
Spir. vernalis
Zach Bradford
Spir. vernalis
Matthew Preiss
Spir. vernalis
more ...