Clasp-leaf Twisted-stalk, Claspingleaf Twistedstalk, Clasping-leaf Twisted Stalk, Clasping Twisted-stalk, Cucumber Root: Streptopus amplexifolius (Synonyms: Streptopus amplexifolius var. americanus, Streptopus amplexifolius var. amplexifolius, Streptopus amplexifolius var. chalazatus)
Rosy Twistedstalk, Rosy Twisted Stalk, Rosy Twisted-stalk, Simplestem Twistedstalk, Simple-stemmed Twisted-stalk: Streptopus lanceolatus (Synonyms: Strepatopus curvipes, Streptopus lanceolatus var. curvipes, Streptopus roseus, Streptopus roseus var. curvipes)