Summary ²

Usnea mutabilis is a grayish-yellowish pale green, unequally branching, shrubby (foliose) 3-7 cm long lichen commonly anchored on holdfasts on trees, mostly in eastern North America, sometimes in chaparral shurbs or pines in California.:212 It is darker green than other members of the Usnea genus.:212 The surface is covered with isolated, or clusters of, isidea.:212 It lacks apothecia.:212

Sources and Credits

1. (c) Jason Hollinger, some rights reserved (CC BY), https://www.flickr.com/photos/7147684@N03/12841367663/
2. (c) Wikipedia, some rights reserved (CC BY-SA), http://en.wikipedia.org/wiki/Usnea_mutabilis

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Global Biodiversity Information Facility (GBIF)
• Mushroom Observer
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• USDA PLANTS database
• Ways of Enlichenment

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