Homotypic Synonyms See Note

Basionym Name:
Sphaerophorus complanatus Hook. f. & Taylor, [as 'Sphaerophoron'] London J. Bot. 3: 654 (1844)

Homotypic synonyms:
Parasiphula complanata (Hook. f. & Taylor) Kantvilas & Grube, in Grube & Kantvilas, Lichenologist 38(3): 246 (2006)
Siphula complanata (Hook. f. & Taylor) R. Sant., Svensk naturverenskap: 178 (1968)
Siphula complanata (Hook. f. & Taylor) Ohlsson, Revision of the lichen genus Sphaerophorus (Michigan): 191 (1974)