Descr. Adumb. Plant. Lich. 1, 1: 19 (1789) [1790]. Basionym: Lichen polydactylus Neck., Method. Muscor.: 85 (1771). Chemistry: D-Glucose (C. F. Culberson 1969, Huneck & Yoshimura 1996: 133). There is a subsp. udeghe Magain, Miadl. & Sérus.
Basionym: Lichen polydactylus Neck., Method. Muscor.: 85 (1771).
There is a subsp. udeghe Magain, Miadl. & Sérus.