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Muellerella lecanactidis Diederich & van den Boom

Data Set Maintenance: Data set compiled (by C. Kainz, 03-01-29).

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

Taxonomic Literature: Taxonomic notes: +ascomatal wall in section dark reddish brown in upper exposed parts, entirely colorless in immersed parts, 15-25 µm thick, sometimes slightly thicker in exposed parts;. Diederich, P. (2003), Herzogia 16: in press;.

Biogeography: Continent: Northern America. Checklist records: United States and Canada (continental) (known only from the type locality in California).

Ecology: Biotroph; lichenicolous; endosubstratic.

Ascocarps: Perithecioid (subspherical), not emerging (initially immersed in the host thallus and apothecia, later erumpent), becoming adnate, .06-.12 mm in diam.. Margin: Black. Periphyses: Present (periphyses, hyaline, septate, branched).

Ascospores: 12-16 (c. 256-spored) per ascus, 3.5-5 µm long, 1.7-2.3 µm wide; septa present; transversally septate; 1-transversally septate; wall thin, .2 µm wide, pale brown (olivaceous), not ornamented.

Conidiomata: Absent resp. not observed.

(report generated 04.Okt.2007)

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