Creamy Ladies'-tresses, Creamy Lady's Tress, Western Ladies'-tresses, Western Ladies' Tresses: Spiranthes porrifolia (Synonym: Spiranthes romanzoffiana var. porrifolia)
Hooded Lady's Tresses, Hooded Ladies'-tresses, Hooded Ladies' Tresses: Spiranthes romanzoffiana (Synonyms: Gyrostachys stricta, Ibidium strictum, Spiranthes romanzoffiana var. romanzoffiana, Spiranthes stricta)