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Parmotrema perlatum (Hudson) M. Choisy (redirected from: Parmelia perlata)
Family: Parmeliaceae
[Imbricaria ciliata (DC.) Arnold,  more]
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Samuel Brinker  
Thallus: foliose, adnate to loosely adnate, 3-20 cm in diam., lobate lobes: subirregular, elongate, often imbricate, plane, separate, 4-15 mm wide; apices: rotund, sometimes deeply crenate, sometimes ascending, elacinate, ciliate; cilia: frequent, up to 2.0 mm long upper surface: gray, sometimes with some blackened areas, smooth, dull to shiny, emaculate to faintly white maculate soredia: granular, common, in linear, marginal to submarginal soralia that often erode large areas and causing the margin to become revoute; isidia and pustulae: absent medulla: white, with continuous algal layer lower surface: black with brown naked zone peripherally, centrally rhizinate; rhizines: scattered, simple, black Apothecia: very rare, substipitate, up to 7 mm in diam.; margin: sparsely sorediate; disc: brown, imperforate ascospores: ellipsoid to broadly ellipsoid, 22-30 x 13-18 µm Pycnidia: not seen Spot tests: upper cortex K+ yellow, C-, KC-, P-; medulla K+ yellow turning orange, C-, KC-, P+ orange Secondary metabolites: upper cortex with atranorin and chloroatranorin; medulla with stictic acid (major) and constictic acid (minor), norstictic, menegazziaic and cryptostictic acids (trace). Substrate and ecology: usually on hardwood trees in open habitats, occasionally on rocks World distribution: widespread in temperate region of the Northern and Southern Hemispheres Sonoran distribution: common on oaks and other trees and shrubs in coastal woodlands of California and Baja California, much rarer inland in Arizona and Sonora.
Parmotrema perlatum image
Samuel Brinker  
Parmotrema perlatum image
Stephen Sharnoff  
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Samuel Brinker  
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Andrew Khitsun  
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Stephen Sharnoff  
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Stephen Sharnoff  
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Stephen Sharnoff  
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Stephen Sharnoff  
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Stephen Sharnoff  
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Stephen Sharnoff  
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Stephen Sharnoff  
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Stephen Sharnoff  
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