Phylum:Ascomycota >> Class: Ascomycetes >> Order: Pleosporales | ||||
BCRC Number: | NO BCRC Number! | |||
Scientific Name: | Byssosphaeria diffusa | |||
Author: | Byssosphaeria diffusa (Schwein.) Cooke, Grevillea 15: 81. 1887. Basionym: Sphaeria diffusa Schwein., Trans. Am. Phil. Soc. 4: 210, 1834. |
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Description: | Ascomata densely gregarious, superficial on subiculum, subglobose to turbinate, 340–480 μm wide, 300–450 μm high, apex flattened, non-papillate, disc-like, whitish, becoming slightly depressed around the ostiolar center, periphysate, abundant hyphal appendages radiating from sides below the apical region. Peridium 35–50 μm thick, thickened and 50–60 μm thick at the apex. Asci clavate, 80–110 × 9–12 μm, 8-spored, long-stalked, stalk up to 40 μm long. Pseudoparaphyses 1.5–2.5 μm wide. Ascospores oblong to fusiform, 16–20 × 4–6 μm, smooth, pale brown, darkened at each end, with up to 4 guttules, 1-septate, strongly constricted at the septum, surrounded by a mucilaginous sheath which protrudes as appendages at the ends of the ascospores. | |||
Specimens: | Chiai Hsien, Alishan, 2 Mar 2002, on dead stem of Cyclobalanopsis sp., C. Y. Chen (NCHUPP c0721). |
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Habitat: | On dead stem. | |||
Distribution: | Canada, Ghana, India, South Africa, Taiwan, U.S.A. |
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References: | Barr, ME. 1990; Chen, CY and Hsieh, WH. 2004b. |
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Provided: | C. Y. Chen |
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Note: | This species is accommodated in the genus Herpotrichia by some researchers. | |||