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Peltula patellata (Bagl.) Swinscow & Krog (redirected from: Heppia polyspora)
Family: Lichinaceae
[Acarospora patellata Bagl.,  more]
Peltula patellata image
Stephen Sharnoff  
Thallus: squamulose, often occurring in patches of squamules several cm wide squamules: orbicular to somewhat angulate or lobulate, up to 4 mm diam.; margins: smooth, thickened and upturned upper surface: pale to olivaceous brown or grayish green, dull, not sorediate upper cortex: not developed but with a well developed epinecral layer, often with numerous airspaces (thus giving the thallus a grayish appearance) medulla: paraplectenchymatous; algal layer: 60-120 µm thick lower cortex: 30-40 µm thick, of 2-8 layers of isodiametric or globose cells lower surface: paler than the upper surface, attached by a tuft of hyphae Apothecia: immersed, 1-20 per squamule, with a raised rim when mature; disc: yellowish to reddish brown, up to 1 mm in diam.; epihymenium: yellowish brown, K+ red-violet or rarely K-; hymenium: I+ blue-green, becoming wine-red asci: obclavate; wall: I+ orange but blue after pretreatment with K, >100-spored ascospores: globose to subglobose, 3-8 (-9) x 3-6 µm Pycnidia: no data conidia: fusiform, 3.7-4.3 x 1.2-2.8 µm Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: on soil, frequently with a high calcium content in deserts and other open, arid habitats World distribution: SW and north central North America to central Mexico, India, Australia, southern Europe, Africa, and the Cape Verde Islands Sonoran distribution: desert areas of Arizona, southern California, Sonora, Baja California, Baja California Sur, Sonora and Chihuahua.
Peltula patellata image
Stephen Sharnoff  
Peltula patellata image
Stephen Sharnoff  
Peltula patellata image
Stephen Sharnoff  
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image
Peltula patellata image