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Bipolaris
In species of Bipolaris the large, dark, multicellular spores are produced from pores along a gradually elongating, dark conidiophore. Often the cells of the spores appear to be very thick walled. Germination occurs only through the two end cells (and hence the generic name). Drechslera species differ in having spores that germinate through any cell. Species of Curvularia are similar, but the spores never appear very thick walled. Common on dead or dying plant material, especially grasses.
Classification: Pleosporaceae (Pleosporales). Holomorph: Cochliobolus. Ref: Ellis 1971, 1976 (with Drechslera)