Dysmicodon perfoliatum (L.) Nutt. species synonym

Triodanis perfoliata subsp. biflora (Ruiz & Pav.) Lammers subspecies accepted

Asyneuma anhuiense B.A.Shen species synonym

Dysmicodon californicum Nutt. species synonym

Heterocodon minimum Kellogg species synonym

Specularia californica (Nutt.) Vatke species synonym

Specularia biflora (Ruiz & Pav.) Fisch. & C.A.Mey. species synonym

Specularia perfoliata f. rigida Arechav. form synonym

Dysmicodon ovatum Nutt. species synonym

Legousia biflora (Ruiz & Pav.) Britton species synonym

Specularia perfoliata f. ramosa Arechav. form synonym

Specularia ovata (Nutt.) Vatke species synonym

Specularia perfoliata f. alba (J.W.Voigt) Steyerm. form synonym

Triodanis rupestris Raf. species synonym

Triodanis perfoliata f. alba J.W.Voigt form synonym

Triodanis scabra Raf. species synonym

Triodanis perfoliata subsp. biflora (Ruiz & Pavón) Bradley subspecies synonym

Triodanis perfoliata subsp. perfoliata subspecies accepted

Lobelia humboldtiana Schult. species heterotypic synonym

Triodallus rupestris (Raf.) Raf. ex A.DC. species synonym

Campanula ludoviciana Torr. ex A.Gray species synonym

Campanula montevidensis Spreng. species synonym

Campanula biflora Ruiz & Pav. species synonym

Pentagonia biflora (Ruiz & Pav.) Kuntze species synonym

Campanula flagellaris Kunth species heterotypic synonym

Campanula anticensis Kunze ex A.DC. species synonym

Campanula angulata Raf. species synonym

Campanula verticillata Hill species heterotypic synonym

Campanula amplexicaulis Michx. species heterotypic synonym

Campanula intermedia Engelm. ex Nutt. species heterotypic synonym

Triodanis biflora (Ruiz & Pav.) Greene species synonym

Triodanis perfoliata var. biflora (Ruiz & Pav.) T.R.Bradley variety synonym

Specularia biflora (Ruiz & Pav.) Kuntze species synonym

Campanula intermedia Engelm. species homotypic synonym

Triodallus rupestris (Raf.) Raf. species homotypic synonym

Campanula anticensis Kunze species homotypic synonym

Campanula ludoviciana Torr. species homotypic synonym