Phylum:Ascomycota >> Class: Dothideomycetes >>  Order: Dothideomycetes 
 BCRC Number NO BCRC Number!  
 Scientific Name: Passalora spegazzinii

Passalora spegazzinii U. Braun, Trudy Botanicheskogo Instituta im. V.L. Komarova 20: 94. 1997.

= Ramularia dubia Riess, Hedwigia 1: pl. IV. Fig. 9 1854; also Bot. Zeit. 12:190. 1854.

Basionym: Cercospora spegazzinii Sacc., Sylloge Fungorum 4: 475 1886.

= Cercospora dubia (Riess) Winter, Syll. Fung. 4: 456. 1886.

 Description: Leaf spots circular, 3-5 mm wide, greenish brown to grayish tan centers and pale brown margin. Fruiting amphigenous. Secondary mycelium absent. Stromata slight or up to 40 μm wide, subhyaline to medium brown, globular. Conidiophores loosely to densely fasciculate, subhyaline to pale olivaceous brown, paler at the apex, sparingly septate, rarely branched, 0-1 rather abruptly geniculate, subtruncate at the apex, 30-110 × 4.5-7.5 μm; conidial scars large, 2-4 μm wide, conspicuously thickened. Conidia hyaline, cylindric to obclavate, straight or somewhat curved, may be catenulate, 1-7 but mostly 3-septate, bluntly rounded at the apex, subtruncate to long obconically truncate at the base, 30-80 × 4-7 μm; hilum conspicuously thickened.

Taiwan, Taitung Hsien, Chihpen, 26 April, 1909, Herb. NTU-PPE.

 Habitat: On leaves of Atriplex spp. and Chenopodium spp.

Canada, Mainland China, Europe, India, Japan, Kenya, Pakistan, Taiwan, UK, U.S.A.


Hsieh, WH and Goh, TK. 1990; Nakashima, C, Araki, I, and Kobayashi, T. 2011.


W. H. Hsieh

 Note: null