Homotypic Synonyms See Note

Basionym Name:
Endocarpon fragile Hook. f. & Taylor, London J. Bot. 3: 639 (1844)

Homotypic synonyms:
Parasiphula fragilis (Hook. f. & Taylor) Kantvilas & Grube, in Grube & Kantvilas, Lichenologist 38(3): 46 (2006)
Siphula fragilis (Hook. f. & Taylor) Js. Murray, in Weber, Lichenes Exsicc. Colo., Fasc. 7: no. 265 (1969)
Sticta fragilis (Hook. f. & Taylor) Müll. Arg., Flora, Regensburg 71: 546 (1888)