A review of the genus Calyptrochaeta Desv. in Thailand is presented, based on herbarium specimens and field surveys. Two species
are recognized, namely C. remotifolia (Müll. Hal.) Z. Iwats. et al. and C. spinosa (Nog.) Ninh. A key to species, descriptions, and
illustrations for the species of Calyptrochaeta occurring in Thailand are provided. In addition, lectotype for the names Eriopus spinosus
Nog. (= C. spinosa) are also designated in here.