Cremastra
Cremastra is a genus of flowering plants from the orchid family, Orchidaceae. It contains 4 currently recognized species, native to China, Japan, Korea, Thailand, the Himalayas, and the Russian Far East.
| Image | Scientific name | Distribution |
| Cremastra aphylla T.Yukawa | Japan | |
| Cremastra appendiculata Makino | Taiwan, China Bhutan, Assam, Nepal, Japan, Korea, Thailand, Vietnam, Kuril, Sakhalin | |
| Cremastra guizhouensis Q.H.Chen & S.C.Chen | Guizhou | |
| Cremastra unguiculata Finet | Jiangxi, Korea, Japan |