Homotypic Synonyms See Note

Basionym Name:
Usnea longissima Ach., Lich. Univ.: 626 (1810)

Homotypic synonyms:
Dolichousnea longissima (Ach.) Articus, Taxon 53(4): 932 (2004)
Parmelia coralloidea var. longissima (Ach.) Eschw., in Martius, Fl. bras. enum. pl. 1(1): 230 (1833)
Parmelia longissima (Ach.) Spreng., Syst. veg., Edn 16 4(1): 277 (1827)
Usnea barbata var. longissima (Ach.) Schaer., Enum. critic. lich. europ. (Bern): [3] (1850)