Name:		Usnea sorediifera Motyka, Wydawnictwa Muzeum Slaskiego w Katowicach Dzial 3 (1930) page 23
Accepted name:		Usnea lapponica Vain.
Status:		Species, lichen-forming
Taxonomic position:		Usnea Dill. ex Adans. [Genus] Parmeliaceae Zenker [Family] Lecanorales Nannf. [Order] Lecanoromycetidae P.M. Kirk, P.F. Cannon, J.C. David & Stalpers ex Miądl., Lutzoni & Lumbsch [Subclass] Lecanoromycetes O.E. Erikss. & Winka [Class] Pezizomycotina O.E. Erikss. & Winka [Subdivision / Subphylum] Ascomycota Caval.-Sm. [Division / Phylum] Fungi R.T. Moore [Kingdom]
Constituent taxa:		Subspecific taxa Usnea sorediifera forma extensa (Vain.) Keissl. Usnea sorediifera forma sorediifera Usnea sorediifera var. compacta (Motyka) Keissl. Usnea sorediifera var. fulvoreagens (Räsänen) Frey Usnea sorediifera var. glabrescens (Nyl.) Keissl. Usnea sorediifera var. sorediifera Usnea sorediifera var. substerilis (Motyka) Keissl.
Catalogue data:		Zahlbruckner, Catalogus Universalis Lichenum 6: 573, Zahlbruckner, Catalogus Universalis Lichenum 8: 578, Zahlbruckner, Catalogus Universalis Lichenum 8: 580, Zahlbruckner, Catalogus Universalis Lichenum 10: 604, Lamb, Index Lichenum p. 1
Cybertruffle Resources:		Cyberliber Cumulative Index
Links:		Fungal Databases [Systematic Botany and Mycology, USDA] Genbank Google images IMI [CABI Fungus Dried Reference Collection] Landcare [New Zealand] New York Botanic Garden [Virtual Fungus Dried Reference Collection]