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Parmotrema pseudoreticulatum (Tav.) Hale

Family :

Parmeliaceae

Hale, Phytologia 28: 338.1974; Divakar, Blanco, D, Hawksworth & Crespo, Lichenologist 37: 60. 2005 

Basionym: Parmelia pseudoreticulata Tavares, Portugal. Acta BioI. ser. B, 1: 138. 1945

ID :

BU/BRL/2022/030

Thallus :

corticolous, to 20 cm across

Lobes :

5-15 mm wide, ciliate

Upper Side:

grey, densely white-maculate

Isidia :

soralia strictly marginal and linear; soredia subfarinose to greyish; maculae reticulately fissured

Lower Side :

centrally black, marginal zone brown, nude

Medulla :

white

not known

Apothecia :

​

Ascospores :

Medulla K + yellow turning red, C-, P+ orange. Salazinic and consalazinic acids present.

Chemistry :

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