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Usnea lapponica

Usnea lapponica Vain.

Usnea laracina Vain. ex Rasanen

Usnea sorediifera sensu Mot.

Powdered Beard Lichen, Lapland Beard Lichen

KingdomFungiMushrooms, lichens, gel fungi, yeasts, and molds; also called eukaryotes
DivisionAscomycotaSac fungi
SubdivisionPezizomycotinaSac fungi with filaments
ClassLecanoromycetes“Lichenized” fungi
OrderLecanoralesMostly lichen-forming fungi
SuborderLecanorineaeLichens
FamilyParmeliaceaeIncludes many common lichens such as Xanthoparamelia, Usnea, Parmotrema, and Hypotrachyna
GenusUsnea
Specieslapponica

About plant names...

I don’t have a range map for this lichen yet.

Identification: Beard lichens are difficult to identify without chemical tests, so the photos at right may not be correct IDs.

Online References:

Usnea lapponica at the Consortium of North American Lichen Herbaria

Usnea lapponica on Stephen Sharnoff Photography

Usnea lapponica on Flickr

Usnea lapponica at Wisconsin Mushrooms

References:

Walewski, Joe, Lichens of the North Woods, Kollath+Stensaas Publishing, 2007, p. 137

Usnea lapponica description by Thomas H. Kent, last updated 16 Aug 2013.

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Usnea lapponica (Powdered Beard Lichen, Lapland Beard Lichen)

Looks like Bristly Beard Lichen (Usnea hirta) to the left. · 4/3/2010 · Birch Point Beach State Park, Owl's Head, ME
≈ 10 × 7" (26 × 17 cm) ID is uncertain

Usnea lapponica (Powdered Beard Lichen, Lapland Beard Lichen)

4/3/2010 · Birch Point Beach State Park, Owl's Head, ME
≈ 32 × 23" (82 × 57 cm) ID is uncertain