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Abstract
Lewia hordeicola with Alternaria anamorph was isolated from barley grains in Norway. The fungus is homothallic. It produces fertile ascomata on synthetic nutrient agar (SNA) after long incubation at 4 C in the dark. On PCA its anamorph resembles members of the A. infectoria species group. On SNA L. hordeicola differs from the latter in the shape and size of ascospores, the conidial sporulation patterns, and the shape, size, septation and roughness of conidia. A key to currently known Lewia species is included.
This work was partly supported by a EU INCO fellowship to Hanna Kwaśna. We thank Emory G. Simmons for providing ex-type cultures isolates of L. intercepta and L. viburni and for a very helpful and constructive review of this article and G. L. Bateman for helpful comments on the manuscript. Rothamsted Research receives grant-aided support from the Biotechnology and Biological Sciences Research Council of the UK.