Ascodesmis sphaerospora

Coll. 2009-08-26
© P. Ribollet

Coll. 2009-08-26
Ascospores
© P. Ribollet

Ascodesmis sphaerospora W. Obrist, Can. J. Bot., 39 (4): 948 (1961).

Basionym Ascodesmis sphaerospora W. Obrist, Can. J. Bot., 39 (4): 948 (1961).

Diagnosis Mycelia hyalina, tenua, sine conidiis et spermatiis. Ascogonia in ramis lateralibus disposita. Apothecia minuta, subglobosa vel hemisphaerica, gregaria, 80-150 µ diam., superficialia, hyalina, ex fasciculis (3)-10-18 ascorum et numerosorum paraphysium circumdatorum ex gleba basali crescentibus composita. Asci clavati vel elliptici, 55-80 × 24-33 µ, fasciculati, apice rotundati, in stipitem brevem contracti, operculati, unitunicati, tunica tenui (solum in parte basali densata) praediti, octospori, raro 4-5-spori, in ordinem maturescents. Paraphyses numerosi, hyalini, septati, 3.5-5 µ diam.; in apice ad 6 µ densati, circa ascos dispositi. Ascosporae unicellulares, globosae vel ellipticae, cum spinis 11-15 × 10.5- 14 µ, sine spinis 8.5-12.5 × 8.5-12 µ, cohaerentes, primum hyalinae, maturitate atrofuscae, areolatae, aculeatae, reticulatae, episporio tenui.

Type TRTC 32092 - holotypus

MycoBank 326595

Literature

Brummelen J. (van) 1981. The genus Ascodesmis (Pezizales, Ascomycetes). Persoonia, 11 (3): 333-358.
Delattre-Durand F., Janex-Favre M.-C. 1979. Le développement et la structure des apothécies de l'Ascodesmis microscopica (Cr.) Seaver. Bulletin de la Société mycologique de France, 95 (1): 49-63.
Jeamjitt O., Manoch L., Visarathanonth N., Chamswarng C., Watling R., Sharples G.P., Kijjoa A. 2007. Coprophilous ascomycetes of Thailand. Mycotaxon, 100: 115-136.
Kristiansen R. 1994. Ascodesmis (Pezizales) i Norge, en sjelden koprofil slekt eller bare oversett. Agarica, 13 (22): 87-100.
Kristiansen R. 2011. The genus Ascodesmis (Pezizales) in Norway. Ascomycete.org, 2 (4): 65-69.
Le Gal M. 1949. Deux Discomycètes mal connus: Ascodesmis nigricans van Tieghem et Ascodesmis microscopica (Crouan) Le Gal, non Seaver. Revue de mycologie, 14 (2): 85-99.
Mungai P., Hyde K.D., Cai L., Njogu J., Chukeatirote E. 2011. Coprophilous ascomycetes of northern Thailand. Current Research in Environmental & Applied Mycology, 1 (2): 135-159.
Obrist W. 1961. The genus Ascodesmis. Canadian Journal of Botany, 39: 943-953.
Roxon J.E., Batra L.R. 1973. Anthracobia, Ascodesmis, Pyronema, and Trichophaea in culture. Mycologia, 65 (5): 1036-1043.
Seaver F.J. 1916. North American species of Ascodesmis. Mycologia, 8 (1): 1-4.

Classification: Ascodesmidaceae, Ascodesmis

Created on 27/06/2015.

Updated on 03/08/2023.

Distribution

Legend: Typus <1950 1950→1980 >1980

Collections List

[FR] Publier
RN du delta de la Dranse
15/10/1995, leg. A. Favre
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Source: FMBDS