Synthyris borealis Pennell species accepted

Synthyris wyomingensis (A. Nelson) A. Heller species accepted

Synthyris alpina A. Gray species accepted

Synthyris bullii (Eaton) A. Heller species accepted

Synthyris canbyi Pennell species accepted

Synthyris cordata (A. Gray) A. Heller species accepted

Synthyris dissecta Rydb. species accepted

Synthyris laciniata (A. Gray) Rydb. species accepted

Synthyris lanuginosa (Piper) Pennell & J. W. Thomps. species accepted

Synthyris missurica (Raf.) Pennell species accepted

Synthyris oblongifolia (Pennell) L. Hufford & M. Mc Mahon species accepted

Synthyris pinnatifida S. Watson species accepted

Synthyris plantaginea (E. James) Benth. species accepted

Synthyris platycarpa Gail & Pennell species accepted

Synthyris ranunculina Pennell species accepted

Synthyris reniformis Benth. species accepted

Synthyris ritteriana Eastw. species accepted

Synthyris rubra (Douglas ex Hook.) Benth. species accepted

Synthyris schizantha Piper species accepted