Hypotrachyna cirrhata(Fr.) Divakar, A. Crespo, Sipman, Elix & Lumbsch
Family: Parmeliaceae
[Cetrariastrum cirrhatum (Fr.) W.L. Culb. & C. F. Culb., moreEvernia cirrhata (Fr.) M. Choisy, Evernia cirrhata f. cirrhata (Fr.) M. Choisy, Evernia cirrhata f. confusa (Du Rietz) Räsänen, Everniastrum cirrhatum (Fr.) Hale ex Sipman, Everniastrum cirrhatum f. cirrhatum (Fr.) Hale ex Sipman, Parmelia camtschadalis var. cirrhata (Fr.) Zahlbr., Parmelia cirrhata Fr., Parmelia cirrhata f. cirrhata Fr., Parmelia cirrhata f. confusa (Du Rietz) Asahina, Parmelia cirrhata f. granulosa (Vain.) Asahina, Parmelia cirrhata f. vermicularis (Vain.) Asahina, Parmelia cirrhata var. cirrhata Fr., Parmelia cirrhata var. fistulata (Taylor) Zahlbr., Parmelia cirrhata var. propagulifera Räsänen, Parmelia cirrhata var. sorediantha Zahlbr., Pseudevernia cirrhata (Fr.) R. Schub. & Klem.]
Nash, T.H., Ryan, B.D., Gries, C., Bungartz, F., (eds.) 2002. Lichen Flora of the Greater Sonoran Desert Region. Vol 1.
Thallus: foliose to subcaespitose, very loosely adnate, up to 15 (-25) cm across, richly dichotomously or subdichotomously lobate lobes: 0.5-2 (-4) mm broad, strongly to moderately involute or flat or nearly so; apices: abundantly ciliate; cilia: up to 4 mm long, simple or more commonly branched upper surface: pale gray to gray; not sorediate or isidiate lower surface: black or brown or pale brown at the tips of the lobes, mostly erhizinate but some specimens with a few short, usually simple, black rhizines Apothecia: relatively infrequent, 4-6 mm diam. asci: clavate, 8-spored ascospores: ellipsoid or slightly reniform, 16-21 x 8-10 µm Pycnidia: common, 0.1-0.2 mm diam. conidia: bacilliform, straight, 5-7 (-8) x <1 µm Spot tests: upper cortex K+ yellow, C-, KC-, P+ yellow; medulla K+ yellow then turning deep red, C-, KC-, P+ yellow then orange Secondary metabolites: cortex with atranorin and chloroatranorin; medulla with salazinic acid (major), consalazinic acid (minor), galbinic and protocetraric acids (accessory) and a fatty acid. Substrate and ecology: on trees and shrubs, rarely on rock or soil World distribution: Mexico, Central and South America, southern Asia Sonoran distribution: Sierra Madre Occidental of Chihuahua.