lecidella lichen
Lecidella stigmatea
Description 6
Thallus: crustose, strongly rimose to areolate, thin, rarely more than 0.5 mm thick; prothallus: rarely present, grayish black; surface: dirty white, gray, brownish gray to sometimes partly pale rusty, finely granulose, dull, without soredia or isidia; Apothecia: sessile, strongly constricted at base, 0.8-2 mm in diam.; disc: black to sometimes blackish brown (if shaded ?), plane to +convex when older, epruinose; margin: distinct, thin, about 0.1 mm wide, becoming excluded; exciple: greenish black to blackish green, rarely with a few algal cells; parathecium: hyaline, without crystals; epihymenium: bluish green, blackish green to olivaceous or reddish brown (if older or damaged ?); hymenium: hyaline, 60-85 µm tall, not inspersed; paraphyses: simple, rarely anastomosing or branched, slightly thickened apically; hypothecium: hyaline to rarely brown (if damaged ?); asci: clavate, lecanoral, 8spored; ascospores: hyaline, simple, ellipsoid to ovoid, 11-17 x 6-9 µm; wall: thick and smooth, not halonate; Pycnidia: globular, semi-immersed, with Vobis-type III conidiophores; conidia: filiform, +curved, 15-28 µm long; Spot tests: thallus surface K+ yellow, C+ yellowish red to very rarely C-, KC+ yellowish red, P+ yellow; Secondary metabolites: atranorin, chloroatranorin, hopane-6α,22diol and lichexanthone, rarely norlichexanthone.; Substrate and ecology: on non-calciferous or calciferous rocks; World distribution: temperate parts of Asia, Australasia, Europe, North and South America; Sonoran distribution: widespread from low to high elevations in Arizona, southern California, Baja California and Chihuahua.
Fuentes y créditos
- (c) André Aptroot, algunos derechos reservados (CC BY-NC-SA), http://www.tropicallichens.net/photopath/lecidella-stigmatea-ne-pakistan-andre-aptroot-9426.jpg
- (c) Rob Curtis, algunos derechos reservados (CC BY-NC-SA), subido por Rob Curtis
- (c) Einar Timdal, algunos derechos reservados (CC BY-NC), http://www.boldsystems.org/archive/image.php?id=bold.org/991925
- (c) Einar Timdal, algunos derechos reservados (CC BY-NC), http://www.boldsystems.org/archive/image.php?id=bold.org/991926
- (c) Einar Timdal, algunos derechos reservados (CC BY-NC), http://www.boldsystems.org/archive/image.php?id=bold.org/991927
- (c) Lichen Unlimited: Arizona State University, Tempe., algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/10548459
