Freshwater ascomycetes: Jahnula apiospora (Jahnulales, Dothideomycetes), a new species from Prince Edward Island, Canada
Huzefa A. RajaDepartment of Plant Biology, University of Illinois, Rm. 265 Morrill Hall, 505 South Goodwin Ave., Urbana, IL 61801, USA. Tel. +1-217-333-2796; Fax +1-217-244-7296Carol A. ShearerDepartment of Plant Biology, University of Illinois, Rm. 265 Morrill Hall, 505 South Goodwin Ave., Urbana, IL 61801, USA. Tel. +1-217-333-2796; Fax +1-217-244-7296Adrian CarterH. W. PlattAgriculture and Agri-Food Canada, Crops and Livestock Research Centre, Charlottetown, Canada
2008en
ABI
Annotatsiya
A new ascomycete species, Jahnula apiospora (Jahnulales, Dothideomycetes), collected from submerged wood in a freshwater creek on Prince Edward Island, Canada, is described and illustrated. The characteristic features of the new species are globose to subglobose, black, ostiolate, membranous ascomata with broad, brown, subtending hyphae; a peridial wall composed of an outer layer of thick-walled cells occluded by black, amorphous material along the upper two-thirds of the ascoma; trabeculate pseudoparaphyses; cylindrical to narrowly fusoid, fissitunicate asci; and brown, one-septate, apiosporous ascospores without a gelatinous sheath or appendages.
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