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Lepraria finkii (B. de Lesd.) R.C. Harris (redirected from: Lepraria lobificans)
Family: Stereocaulaceae
[Crocynia aliciae Hue,  more]
Lepraria finkii image
Stephen Sharnoff  
Thallus: crustose, leprose, irregular, indeterminate to +determinate, usually continuous; sometimes becoming partly loose from the substrate, sometimes with delimited sublobes upper surface: bright green, greenish gray, or whitish gray, white in eroded patches, dull, even or wrinkled soredia: fine to coarse fluffy, up to 100(-200) ┬Ám in diam., usually with long projecting hyphae up to 0.1 mm long or sometimes lacking on exposed parts of thallus surface medulla: distinct, white lower surface: white, formed by lower part of medulla, tomentum not evident Spot tests: thallus K- or + yellow, C-, KC-, P+ orange Secondary metabolites: atranorin, zeorin and stictic acid with satellites. Substrate and ecology: on soil, over mosses, on bark, in moderately shaded and dry niches on soil banks, rock overhangs and tree trunks World distribution: Africa, Asia, Australia, Europe, North America and New Zealand Sonoran distribution: Arizona, southern California and Sonora from sea-level to 2650 m.