IUCN threat status:

Not evaluated

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Description

 Life habit: lichenized, not lichenicolous; Thallus: rimose to granular or areolate; areoles: up to 0.8 (-1.2) mm diam., adjacent, angular, plane to moderately convex; upper surface: yellowish to reddish brown, epruinose, dull, smooth, lacking pores and pseudocyphellae; upper cortex: up to 40 µm high, lacking calcium oxalate; margin: concolorous with upper surface; Apothecia: up to 0.7 mm diam., remaining ± plane and marginate or plane and marginate when young, later convex and immarginate, epruinose or faintly pruinose; exciple: greenish brown to dark green in the rim, pale brown to reddish brown in inner part; hypothecium: dark reddish brown; epithecium: bright to dark green (K-, N+ violet); asci: clavate, 8-spored; ascospores: ellipsoid, 1-septate, 10-15.5 x 4.5-6 µm; Pycnidia: laminal, immersed or partly protruding; conidia: filiform; Spot tests: all negative; Secondary metabolites: none detected.; Host: none; Substrate and ecology: on sandstone in pinyon-juniper woodland at 1890 m; World distribution: widely distributed, but scattered, in the Northern Hemisphere; Sonoran distribution: northern Arizona (single locality). 

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© Lichen Unlimited: Arizona State University, Tempe.

Source: Lichen Flora of the Greater Sonoran Desert Region

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