Plagiostoma Fuckel (1870)
Data Set Maintenance: Data set standard item. Data set author(s): Triebel D. Data set reviewer(s): Triebel D. (98-01-01); revised; to be published after submission.
Nomenclature: Current taxonomic status: basionymous or accepted. Taxonomic rank: genus. Number of known taxa within this rank: 15. Plagiostoma. Valsaceae Tul. & C. Tul. (1861); Diaporthales.
Type Information: Type: Plagiostoma euphorbiae (Fuckel) Fuckel.
Taxonomic Literature: Taxonomic notes: Anamorph: Cylindrosporella DC. ex Fr. Barr M.E., Mycol. Mem. 7: 1-232 [104-117] (1978); Monod M., Sydowia, Beih. 9: 1-315 [139-152] (1983).
Biogeography: Checklist records: Great Britain.
Ecology: Biotroph or saprobic; lichenicolous; terricolous or corticolous.
Lichen Photobionts: Primary photobiont absent. Secondary photobiont absent.
Thallus: Indistinct.
Reproduction Strategy: Only known as sterile, asexually reproducing form or with sexual (and possible asexual) stages. Ascocarps: Perithecioid, orbicular, not emerging, stromatic. Margin: External filaments absent. Exciple: Black, brown, brownish yellow, or red. Periphyses: Present. Interascal Hyphae: Absent. Hypothecium: Black, brown, brownish yellow, or red.
Asci: Tholus thickened, not amyloid; dehiscence unitunicate.
Ascospores: c. 8 per ascus, ellipsoid, oblong, fusiform, or oblong-obtuse, 6-52 µm long, 1-16 µm wide, obtuse or aciculate; septa present; transversally septate, 1-3-transversally septate; wall thin or thick, distinctly differentiated into primary and secondary wall, not thickened at the septum, hyaline or pale brown, in Lugol's Solution negative, wall not ornamented or ornamented.
Conidiomata: Absent resp. not observed or present; pycnidial; immersed.
Conidia: Bacilliform or filiform.
Secondary Metabolites: Not detected.
(report generated 04.Okt.2007)
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