Phylum:Ascomycota >> Class: Ascomycetes >>  Order: Pezizales 
 BCRC Number NO BCRC Number!  
 Scientific Name: Ascobolus amoenus

Basionym: Ascobolus leveillei Boud. var. americanus Cooke & Ellis, In Grevillea 5;52 pl. 80 f. 20. 1876.

Ascobolus amoenus Oudemans, Hedwigia 21: 165. 1882.

 Description: Apothecia gregarious, greenish yellow, ochraceous, globose then open to cupulate, 0.2-0.6 mm wide, 0.4-0.8 mm high, top with far protruding asci, receptacle with yellow granules. Ectal-excipulum yellowish, textura globulosa to angularis, cells 5-30 μm diam., layer 40-50 μm thick. Medullary excipulum of textura globulosa, cells 5-17.5 μm diam., layer 50-75 μm thick. Asci 8-spored, young ascal wall turning blue in Melzer's reagent, broadly clavate, 395-475 × 33-47 μm, elongated when mature. Ascospores ellipsoid, 33-36 × 16-18 μm, with unilateral or all-sided mucilaginous sheath, hyaline at first, then purple to brown, with fine granules. Paraphyses filiform, not enlarged at tips, 2-3 μm wide, embedded in greenish yellow mucus.

Taiwan, Penghu: Paisha, on goat dung, 26 May 1997, Y.Z. Wang 9719 (TNM F7411); Paisha, on ox dung, 26 May 1997, Y.Z. Wang 9720 (TNM F7412). Taipei: Yangmingshan, on ox dung, 26 Nov. 1997, Y.Z. Wang 9724 (TNM F7960). Taitung: Green Island, on ox dung, 1 Apr. 1996, Y.Z. Wang 9624 (TNM F4546).

 Habitat: Coprophilus. On dung of cow, horse, camel, goat, rabbit, and muskrat.



Brummelen, J. 1967; Wang, YZ. 1999.


Y. Z. Wang

 Note: This species is characterized by greenish turbinate apothecia and finely granulated ascospores. Ascobolus mancus has similar morphological characters but with smaller ascospores.