Slideshow image
Umbilicaria deusta (L.) Baumg.
Family: Umbilicariaceae
[Gyromium deustum (L.) Wahlenb.,  more]
Umbilicaria deusta image
Stephen Sharnoff  
Thallus: umbilicate, mono- or polyphyllous (sometimes lobate), +circular to irregular in shape, thin, brittle, 1-4(9) cm in diam. upper surface: brown, smooth where not patchily covered with granular to coralloid, or club- to leaf-like isidia lower surface: light to dark brown or black, smooth to occasionally broadly pitted Apothecia: rare, black, sessile to stipitate, gyrose, up to 1.5 mm in diam. asci: clavate, 8-spored ascospores: hyaline, simple, broadly ellipsoid, 6-12 x 4-8 ┬Ám Spot tests: medulla K-, C+ red, KC+ red, P- Secondary metabolites: gyrophoric, lecanoric and hiascic acids. Substrate and ecology: on siliceous rocks, boreal to low alpine vegetation zones, usually under the snow in winter World distribution: Europe, Asia, North and South America Sonoran distribution: in montane habitats in moister microhabitats of Arizona. Notes: Among the Sonoran Umbilicariae, Umbilicaria deusta is the only one that reproduces by isidia, found on the upper surface.
Umbilicaria deusta image
Troy McMullin  
Umbilicaria deusta image
Lucy Taylor  
Umbilicaria deusta image
Stephen Sharnoff  
Umbilicaria deusta image
Stephen Sharnoff  
Umbilicaria deusta image
Stephen Sharnoff  
Umbilicaria deusta image
Stephen Sharnoff  
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image
Umbilicaria deusta image