Xanthoparmelia isidiovagans O. Blanco, A. Crespo, Divakar & Elix

Lichenologist 37(2): 97 (2005).

 

 

Synonyms: Index Fungorum

Type: Spain, Guadalajara, Torremocha del Pinar, vagrant over decarbonated soils in open Juniperus tunifera and J. hemisphaerica forest, 1200 m, 22.5.2003, O. Blanco, P. K. Divakar & A. Crespo 120603/7, (MAF 9956 - holotypus).
Coordinates: 40°55'N, 2°5'W.

 

Thallus: foliose, vagrant, free-growing on soil, 2 - 4 cm wide. Lobes separate, linear-elongate, subdichotomously to subirregularly branched, 1 - 3 mm wide, eciliate; apices subrotund. Upper surface yellow-green, darkening with age, convex, markedly convolute, white-maculate, shiny at apices but rugulose and cracked in the thallus centre, soredia absent, isidiate. Isidia scattered, globose, apices syncorticate, more or less blackened. Medulla white. Lower surface black, rugulose; rhizines moderately dense, more or less tufted, simple or sparsely furcate, to 1 mm long. Apothecia and pycnidia not known.

Photobiont: Trebouxia.

Chemistry: Cortex K -, C -, KC + pale yellow, P -; UV -, medulla K + yellow to orange, C -, KC + red, P + orange; usnic acid (minor), stictic acid (major), norstictic acid (minor), constictic acid (minor), cryptostictic acid (minor), peristictic acid (trace).

Ecology: Vagrant over decarbonated soil.

Molecular data: Genbank

Distribution: Spain: Guadalajara.

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