Bulbothrix setschwanensis (Zahlbr.) Hale

Thallus subirregularly to sublinearly laciniate, greenish gray in the herbarium, up to 7.0 cm diam., subcoriaceous, corticolous or ramulicolous; upper cortex 15.0−20.0 µm thick, algal layer 30.0−47.5 µm thick, medulla 87.5−110.0 µm thick, lower cortex 12.5−20.0 µm thick. Laciniae irregularly to partially to anisotomically dichotomously branched, contiguous to imbricate, 1.1–3.5 (-5.0) mm wide, adnate and adpressed, with ±flat, subrounded to subtruncate apices; margins flat, smooth and sinuous to crenate or or irregular, entire to slightly incised, occasionally sublacinulate; axils oval or irregular. Upper cortex mostly smooth and continuous, occasionally becoming subrugose and irregularly cracked; laminal ciliary bulbs absent. Adventitious marginal lacinulae scarce on older parts, short, 0.2–1.0 × 0.1–0.6 mm, plane, simple to irregularly branched; apices truncate or acute; lower side concolor with the lower marginal zone. Maculae absent. Cilia black, without or with simple apices, 0.05–0.30 (–0.50) × ca. 0.03 mm, with semi-immersed to emerse bulbate bases 0.05–0.25 mm wide, frequent to abundant along the margins, spaced 0.05−0.15 mm from each other to rarely contiguous, solitary or in small groups at the crenae and axils becoming scarce at the apices of the laciniae. Soredia, Isidia and Pustulae absent. Medulla white. Lower surface pale brown, opaque, smooth to subrugose, moderately rhizinate. Marginal zone pale brown, indistinctly delimited from the center, opaque, smooth to subrugose, weakly papillate, variably rhizinate. Rhizines brown or cream colored, simple, rarely with subtle displaced blackish bulbs, 0.05–0.80 × 0.03–0.05 mm, frequent becoming abundant near the margins, evenly distributed. Apothecia subconcave to plane, adnate to subpedicelate, 0.4−4.1 mm diam., laminal to submarginal, ecoronate; margin smooth to subcrenate or fissured; amphitecia smooth, without ornamentations. Disc light to dark brown, epruinose, imperforate; epithecium 7.5–12.5 mm high; hymenium 35.0−42.5 µm high; subhymenium 12.5−20.0 µm high. Ascospores ellipsoid to oval, (10.0−) 12.0−19.0 × 6.0−9.0 (−10.0) µm; epispore ca. 1.0 µm. Pycnidia laminal, frequent, immerse, with black ostioles. Conidia baciliform to weakly bifusiform (4.0−) 5.0−8.5 × ca. 0.75 µm. TLC/HPLC: cortical atranorin and chloroatranorin, medullary salazinic and consalazinic acids (see also Hale 1976).

Asia: China (Zahlbruckner 1930, Hale 1976a), India (Hale 1976a, Divakar and Upreti 2005), Nepal (Hale 1976a, Kurokawa 1993, Divakar and Upreti 2005) and Thailand (Wolseley and Aguirre-Hudson 1997, Wolseley et al. 2002, Ramkhamhaeng University Herbarium 2006).

Bulbothrix setschwanensis je porost, co go nojprzōd ôpisoł Alexander Zahlbruckner, a terŏźnõ nazwã doł mu Hale. Bulbothrix setschwanensis nŏleży do zorty Bulbothrix i familije Parmeliaceae. Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.