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Peltula zahlbruckneri (Hasse) Wetmore (redirected from: Heppia zahlbruckneri)
Family: Lichinaceae
[Heppia zahlbruckneri Hasse]
Peltula zahlbruckneri image
Stephen Sharnoff  
Thallus: typically areolate-squamulose but sometimes minutely suffruticose, in loosely aggregated patches squamules: swollen, somewhat angulate to lobate, convex, often with flattened tops (especially when young), 0.5-3 mm wide upper surface: tan to dark brownish olive, dull, not sorediate upper cortex: not developed but with a yellow epinecral layer medulla: composed of loosely interwoven hyphae with many hollow areas; algal layer: 75-150 µm thick lower cortex: paraplectenchymatous, 30-56 µm thick, with 3-6 layers of globose cells lower surface: paler than upper surface, attached by short stalk and an umbilicus Apothecia: 1-7 (or more) per squamule, immersed; disc: punctiform, enlarging with age, reddish-brown; epihymenium: brownish, K-; hymenium: I+ wine-red, 105-150 µm high, >100-spored ascospores: globose to subglobose, 4.5-7.6 x 3-4.5 µm Pycnidia: immersed, spherical, up to 400 µm diam. conidia: fusiform, 3.5-4.5 x 1.5 µm Spot tests: all negative Secondary metabolites: none detected. Substrate and ecology: on acidic rocks, including granites in deserts and other open, arid habitats World distribution: SW North America, West Africa, India, central Australia, Sonoran distribution: desert areas of Arizona, southern California, Sonora, Baja California and Baja California Sur.
Peltula zahlbruckneri image
Stephen Sharnoff  
Peltula zahlbruckneri image
Joselyn Fenstermacher  
Peltula zahlbruckneri image
Peltula zahlbruckneri image
Peltula zahlbruckneri image
Peltula zahlbruckneri image