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Endococcus verrucosus Hafellner

Data Set Maintenance: Data set compiled (by C. Kainz, 03-04-10) and standard item.

Nomenclature: Current taxonomic status: accepted. Taxonomic rank: species. Endococcus. Verrucariaceae Zenker (1827); Verrucariales.

Taxonomic Literature: Taxonomic notes: host lichens Aspicilia grisea, Aspicilia caesiocinerea, Aspicilia spec.; asci verrucarial, broadly clavate, 45-60 x 15-20 µm; hymenial gelatin I(Lugol)+blue, reddish brown when higher concentrated; Sonoran specimen: U.S.A. Arizona. Apache Co.: Apache N.F., Mt. Baldy Wilderness, along the trail to Baldy Peak from Sheep's Crossing, ca. 2900 m, 33°55'45''N, 109°33'W, Picea engelmannii forest in NE-exposition, on conglomerate boulders in the shade of the forest, on Aspicilia spec., Hafellner 55499 (GZU). Hafellner J. et al., Mycotaxon 84: 293-329[303] (2002); Hafellner J., Herzogia 10: 1-28 (1994).

Biogeography: Continent: Europe and Northern America. Checklist records: Sonoran Desert and United States and Canada (continental).

Ecology: Biotroph; lichenicolous; endosubstratic.

Ascocarps: Perithecioid, not emerging. Margin: Black (ascomatal wall in section brown, basally somewhat paler and 20-30 µm thick, near ostiolum distinctly thickened). Periphyses: Present (septate). Interascal Hyphae: Absent.

Ascospores: c. 8 per ascus, broadly ellipsoid (or fusiform), (13)-14-17-(18) µm long, 7-9 µm wide; septa present (median); transversally septate (young spores with distinct torus at the septum); wall thick, distinctly differentiated into primary and secondary wall, dark brown (young spores near the septum) or middle brown, not ornamented or ornamented (distinctly verrucose, young spores with compact perispore).

(report generated 04.Okt.2007)

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