Phylum:Ascomycota >> Class: Dothideomycetes >> Order: Dothideomycetes | ||||
BCRC Number: | NO BCRC Number! | |||
Scientific Name: | Pseudocercospora pyricola | |||
Author: | Basionym: Cercospora pyricola Sawada, Taiwan Jour. nat. Hist. Soc. 17:3, 1914.. = Pseudocercospora piricola (Sawada) Yen. Bull. trimest. Soc. mycol. Fr. 97:154 1981.. Pseudocercospora pyricola (Sawada) J.M. Yen, Bulletin de la Soci?t? Mycologique de France 97 (3): 154. 1981. |
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Description: | Leaf spots none or indistinct to brown angular patches on the upper surface. Fruiting hypophyllous, dark effuse in angular patches, vein-limited, 1-3 mm wide, often confluent. Stromata well developed, up to 40 μm wide, globular, dark brown, erumpent. Secondary mycelium absent. Conidiophores densely fasciculate, pale olivaceous to pale olivaceous brown, cylindric, uniform in width, straight or slightly sinuous, 0-2 septate, sometimes slightly constricted at the septa, not branched, not geniculate, rounded or subtruncate to conically at the apex, 15-35 × 3-4 μm; conidial scars unthickened. Conidia subhyaline, narrowly obclavate or subacicular, substraight to curved or slightly undulate, 3-7 septate, not constricted, subacute at the apex, obconic or obconically truncate at the base, 25-60 × 2-3 μm, hilum unthickened. | |||
Specimens: | Taiwan, Taichung, 1 March, 1921, holotype in Herb. NTU-PPE, on Pyrus serotina Rehder |
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Habitat: | On leaves of Pyrus spp. | |||
Distribution: | Taiwan. |
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References: | Hsieh, WH and Goh, TK. 1990. |
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Provided: | W. H. Hsieh |
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Note: | This fungus name was misapplied by Yen (1981b). Pseudocercospora pyrina Goh & Hsieh differs from this fungus by the presence of extensive external secondary mycelium and by its conidiophores which are branched and irregular in width. | |||