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Parmotrema reticulatum (Taylor) M. Choisy (redirected from: Rimelia reticulata)
Family: Parmeliaceae
[Imbricaria perforata (Wulfen) Körb.,  more]
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Stephen Sharnoff  
Thallus: foliose, loosely adnate, 4-20 cm in diam., lobate lobes: subirregular, elongate, slightly imbricate, plane, separate, 5-15 mm wide; margin: deeply crenate; apices: rotund, sometimes subascending, ciliate; cilia: simple, up to 3.0 mm long upper surface: pale gray to gray-green, smooth, dull, strongly reticulately maculate soredia: common, powdery to subpustular, laminal or marginal, in linear to orbicular soralia that are often subcapitate, or spreading and becoming somewhat diffuse; isidia, pustulae and dactyls absent medulla: white with continuous algal layer lower surface: black with narrow brown to rarely white, papillate zone peripherally, centrally rhizinate; rhizines: scattered to dense, mostly simple (to squarrose), black Apothecia: rare, submarginal, substipitate, up to 8 mm in diam.; margin: thick, thalline, entire to crenulate, sorediate; disc: perforate, brown to dark brown, concave ascospores: simple, hyaline, ellipsoid, 12-18 x 8-11 µm Pycnidia: rare, punctiform conidia: filiform, 12-16 x 1-1.5 µm Spot tests: upper cortex K+ yellow, C-, KC-, P+ yellow; medulla K+ yellow turning deep red, C-, KC-, P+ orange Secondary metabolites: upper cortex with atranorin and chloroatranorin; medulla with salazinic acid (major) and consalazinic acids (minor). Substrate and ecology: commonly on rocks, also on trees in open habitats World distribution: pansubtropical and pantemperate; North and South America, Africa, southern Asia, Australasia, Oceania Sonoran distribution: common in SE Arizona and southwards in the Sierra Madre Occidental region of Chihuahua, Sonora and Sinaloa and southern mountains of Baja California Sur.
Parmotrema reticulatum image
Parmotrema reticulatum image
Troy McMullin  
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Troy McMullin  
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Gary Perlmutter  
Parmotrema reticulatum image
Gary Perlmutter  
Parmotrema reticulatum image
Gary Perlmutter  
Parmotrema reticulatum image
Andrew Khitsun  
Parmotrema reticulatum image
Gary Perlmutter  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
Stephen Sharnoff  
Parmotrema reticulatum image
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Andrew Khitsun  
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