Description ⁶

 Thallus: continuous to fissured or fissured-areolate, with moderately thick verrucae; margins: entire, unzoned; upper surface: ash gray to greenish gray, smooth or rugose-plicate, shiny, epruinose; lacking soredia or isidia; fertile verrucae: concolorous with thallus, lecanorate, numerous, often fused, c. 0.4-1.2 mm in diam.; Apothecia: 1 (-5) per verruca; disc: blackish brown, well sunken, epruinose or grayish pruinose, margins crenulate; epithecium: dark brown, K+; hypothecium: hyaline; asci: clavate or cylindrical, 150-250 x 45-70 µm, (1-) 2-spored; ascospores: hyaline, oval to ellipsoid, 50-140 x 26-58 µm; spore wall: c. 4-14 µm thick, smooth; apices: up to 18 µm thick, 1-layered; Pycnidia: not seen; Spot tests: K-, C-, KC-, P-, UV-; Secondary metabolites: 2-O-methylconfluentic acid (major), di-O-methylolivetoride, planaic acid and traces of unknowns (all minor).; Substrate and ecology: on conifers (e.g. Juniperus) and more common on wood; World distribution: endemic to North America, particularly at mid-elevations in the Rocky Mountain region; Sonoran distribution: mountainous areas of Arizona at 1700-2100 m.; Notes: Pertusaria saximontana is characterized by a shiny gray to gray-brown thallus, numerous disciform apothecia with blackish, epruinose discs, a K+ violet epithecium, 2-spored asci, and the presence of 2-O-methylconfluentic acid. It is is a very characteristic species and hardly confused with any other Pertusaria species occurring in southwestern North America. 

Fuentes y créditos

1. (c) Jason Hollinger, algunos derechos reservados (CC BY-SA), https://images.mushroomobserver.org/640/19097.jpg
2. (c) Jason Hollinger, algunos derechos reservados (CC BY-SA), https://images.mushroomobserver.org/640/19098.jpg
3. (c) Jason Hollinger, algunos derechos reservados (CC BY-SA), https://images.mushroomobserver.org/640/19099.jpg
4. (c) Jason Hollinger, algunos derechos reservados (CC BY-SA), https://images.mushroomobserver.org/640/19100.jpg
5. (c) Jason Hollinger, algunos derechos reservados (CC BY-SA), https://images.mushroomobserver.org/640/19101.jpg
6. (c) Lichen Unlimited: Arizona State University, Tempe., algunos derechos reservados (CC BY-NC-SA), http://eol.org/data_objects/10547723

Más información

• NaturaLista página del taxón
• Biodiversity Heritage Library
• BOLD Systems BIN search
• Global Biodiversity Information Facility (GBIF)
• Mushroom Observer
• NatureServe Explorer 2.0
• SEINet Symbiota portals
• USDA PLANTS database
• Ways of Enlichenment

Range Map

(c) Discover Life and original sources, algunos derechos reservados (CC-BY-NC-SA)

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