Cucumber Root, Claspingleaf Twistedstalk, Clasping-leaf Twisted Stalk, Clasp-leaf Twisted-stalk, Clasping Twisted-stalk: Streptopus amplexifolius (Synonyms: Streptopus amplexifolius ssp. americanus, Streptopus amplexifolius var. americanus, Streptopus amplexifolius var. amplexifolius, Streptopus amplexifolius var. chalazatus, Streptopus amplexifolius var. denticulatus, Streptopus amplexifolius var. grandiflorus, Streptopus fassettii, Tortipes amplexifolius, Uvularia amplexifolia) -
Rosy Twistedstalk, Rosy Twisted-stalk, Simplestem Twistedstalk, Simple-stemmed Twisted-stalk: Streptopus lanceolatus (Synonyms: Streptopus curvipes, Streptopus lanceolatus var. curvipes, Streptopus roseus, Streptopus roseus ssp. curvipes, Streptopus roseus var. curvipes, Uvularia lanceolata) -
Kruhsea, Small Twisted-stalk: Streptopus streptopoides (Synonyms: Kruhsea streptopoides, Streptopus streptopoides ssp. brevipes, Streptopus streptopoides var. brevipes)