IUCN threat status:

Not evaluated

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Description

 Life habit: lichenized, saprophytic or lichenicolous; Thallus: indistinct to crustose, superficial, attached by the whole lower surface; upper surface: membrane-like, evanescent, granular to cracked-areolate; soredia and isidia absent; photobiont: primary one a chlorococcoid alga (Elliptochloris bilobata), secondary photobiont absent; Ascomata: perithecial, sessile to immersed, globose to pear-shaped, pale brown to blackish; exciple: mostly pale brown to pale green towards the base, brown to greenish blue in upper part, of strongly anastomosing, conglutinate hyphae with narrow lumina; involucrellum: absent; hamathecium: composed of perisistent paraphysoids, strongly branched and anastomosed, amyloid; periphysoids absent; asci: bitunicate, fissitunicate dehiscence, thick-walled, with an I+ blue ± layered tholus, 6 (-8)-spored; ascospores: four-celled, submuriform to strongly muriform, ellipsoid to narrowly ellipsoid or fusiform, the outer wall distinctly thicker than the septa, colorless; Conidiomata: not seen; Secondary metabolites: none detected; Geography: Northern Hemisphere; Substrate: on acid substrata including rocks, soil, mosses, plant detritus and on rotten wood or lichenicolous on Solorina, Peltigera and Cladonia squamules.; Notes: The genus is characterized by bitunicate asci with an amyloid tholus. 

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© Lichen Unlimited: Arizona State University, Tempe.

Source: Lichen Flora of the Greater Sonoran Desert Region

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