Basionym Name:Collema concinnum Flot. ex Cromb., J. Bot., Lond. 20: 272 (1882)
Homotypic synonyms:Collema crispum var. concinnum (Flot. ex Cromb.) Boistel, Nouv. Fl. Lich. (Paris) 2: 306 (1903)Eucollema concinnum (Flot. ex Cromb.) Horw., Hand-list Lich. Gr. Brit.: 6 (1912)