Current Name:Usnea perplexans Stirt., Scott. Natural. 6(3): 103 (1881)
Synonymy:Usnea florida var. perplexans (Stirt.) Vain., Acta Soc. Fauna Flora fenn. 7(no. 1): 5 (1890)Usnea barbata var. perplexans (Stirt.) Vain., Acta Soc. Fauna Flora fenn. 7(no. 1): 5 (1890)
Position in classification:Parmeliaceae, Lecanorales, Lecanoromycetidae, Lecanoromycetes, Ascomycota, Fungi
Synonymy Contributor(s): Australian Lichen Checklist (2004); Checklist of Lichens of Australian and its Island Territories