Xanthoparmelia idahoensis Hale
Mycotaxon 34, 2: 547 (1989).
Synonym: Index Fungorum
Type: USA, Idaho.
Thallus: vagrant, firm, breaking apart when collected, 2-4 cm broad, light yellowish green; lobes sublinear, 1.5-4 mm wide, contorted and twisted, the tips dilated and divided into subterete black-tipped laciniae ~ 0.5 mm wide, separate; upper surface strongly white-maculate, shiny, soredia and isidia; medulla white; lower surface irregularly canaliculate with a raised rim, pale yellowish brown or turning brown toward the tips, foveolate-rugose, very sparsely rhizinate, the rhizines brown, coarse, 0.2-0.3 mm long. Pycnidia and apothecia lacking.
Photobiont: Trebouxia.
Chemistry: Salazinic acid, consalazinic acid, protocetraric acid (trace), usnic acid.
Ecology: free growing on soil.
Molecular data: Genbank
Distribution: Database
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