Usnea subfloridana (Boreal beard lichen)

4/3/2010 · Owl’s Head Lighthouse, Owl’s Head, Maine ID is uncertain

4/3/2010 · Birch Point Beach State Park, Owl’s Head, Maine ID is uncertain

Kingdom	Fungi	Mushrooms, lichens, gel fungi, yeasts, and molds; also called eukaryotes
Division	Ascomycota	Sac fungi
Subdivision	Pezizomycotina	Sac fungi with filaments
Class	Lecanoromycetes	“Lichenized” fungi
Order	Lecanorales	Mostly lichen-forming fungi
Suborder	Lecanorineae	Lichens
Family	Parmeliaceae	Includes many common lichens such as Xanthoparamelia, Usnea, Parmotrema, and Hypotrachyna
Genus	Usnea	From Arabic Ushnah, “lichen,” which was translated to Latin by Ebubekir Muhammed bin Zekeriya Razi
Species	subfloridana	This might be because this species was once considered a subspecies of U. florida