Xanthoparmelia esterhuyseniae Hale
Mycotaxon 27: 577 (1986).
Synonyms: Index Fungorum
Type: xxx.
Thallus: loosely adnate to free growing, 4-6 cm broad, dark yellowish green to blackening with age; lobes linear, 0.1-0.3 mm wide, elongate, dichotomously branched with the ultimate lobes nearly subterete, subascending; upper surface continuous, emaculate, shiny, isidia and soredia lacking; medulla white; lower surface plane, rarely brown or mottled at the tips but black at the center, shiny, very sparsely rhizinate, the rhizines black, simple, 0.2-0.4 mm long. Pycnidia and apothecia lacking.
Photobiont: Trebouxia.
Chemistry: Stictic acid, constictic acid, cryptostictic acid, norstictic acid, usnic acid.
Ecology: on soil or rocks.
Molecular data: Genbank
Distribution: Database
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