Phylum:Ascomycota >> Class: Ascomycetes >>  Order: Pezizales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Ascodesmis nigricans

Ascodesmis nigricans van Tieghem, Bull. Soc. Bot. Fr. 23: 275. 1907.

 Description: Apothecia gregarious, minute, without excipulum, formed by asci and paraphyses, 80-200 μm wide, dark brown. Asci 8-spored, broadly clavate to saccate, 54-75 × 22-28 μm. Ascospores subglobose to ellipsoid, hyaline to brown, without ornamentation, 10-12 × 8-9 μm; 12-14 × 10-12 μm including ornamentation, with spines and wart-like projections, surrounded by a perisporium. Pararphyses filiform, expanded at tips, 3-6 μm wide.

Changhua: Peitou, on cow dung, 27 Sep. 1993, Y.Z. Wang 93103 (TNM F1185). Hualien: Yuli, on deer dung, 27 July 1992, Y.Z. Wang 9272 (TNM F0664). Kaohsiung: Fengshan, on deer dung, 9 Feb. 1993, Y.Z. Wang 93014 (TNM F0709). Miaoli: Taiwan Provincial Miaoli Agri-industrial Vocational High School, on cow dung, 15 Jan. 1996, Y.Z. Wang 9608 (TNM F4466). Nantou: Lienhuachih, on cow dung, 1 Aug. 1993, Y.Z. Wang 93088 (TNM F1001).

 Habitat: Coprophilous. On dung of dog, fox, rat, pig, sheep, goat, donkey, and ostrich, also isolated from soil.



Brummelen, J. 1981; Obrist, W. 1961.


Y. Z. Wang

 Note: This is the most common Ascodesmis species in Taiwan. It is characterized by small ascospores with short spines and ridges.