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Parmotrema gardneri (Dodge) Serus. (redirected from: Parmelia robusta)
Family: Parmeliaceae
[Parmelia gardneri C.W. Dodge,  more]
Parmotrema gardneri image
Stephen Sharnoff  
Thallus: foliose, adnate to loosely adnate, 3-10 cm in diam., lobate lobes: subirregular, elongate, slightly imbricate, plane, separate, 8-15 mm wide; apices: rotund, subascending, eciliate or short cilia developing in the axils of the lobes upper surface: gray with some blackened areas, smooth, usually shiny, emaculate, reticulately cracked with age soredia: granular, common, in linear to subcapitate, marginal soralia that sometimes develop on marginal lacinae; isidia and pustulae: absent medulla: white with continuous algal layer lower surface: black with brown naked zone peripherally, centrally rhizinate; rhizines: scattered, simple Apothecia: rare, substipitate, up to 5 mm in diam.; margin: sparsely sorediate; disc: brown, imperforate ascospores: ellipsoid, 18-22 x 8-10 µm Pycnidia: rare, punctiform, conidia: sublageniform, 6-7 x 1 µm Spot tests: upper cortex K+ yellow, C-, KC-, P-; medulla K-, C-, KC-, P+ red Secondary metabolites: upper cortex with atranorin and chloroatranorin; medulla with protocetraric acid (major), unknown fatty acid (major, minor or ± trace). Substrate and ecology: usually on trees in open habitats World distribution: pantropical Sonoran distribution: southern lowlands of Sonora, Baja California del Sur.
Parmotrema gardneri image
Stephen Sharnoff  
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Gary Perlmutter  
Parmotrema gardneri image
Parmotrema gardneri image
Lynda Miller  
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image
Parmotrema gardneri image