2023 Volume 14 Pages 47-58
An updated account of the genus Calypogeia Raddi in Thailand is presented. Three species, including C. arguta Nees & Mont., C. goebelii (Schiffn.) Steph., C. lunata Mitt., are currently reported from Thailand. Calypogeia goebelii var. siamensis N.Kitag. is reduced to a synonym of C. goebelii. A key to the species of the genus as well as the descriptions, illustrations, ecological information, and geographical distribution of each species are provided.