Freshwater ascomycetes: <Emphasis Type="Italic">Aliquandostipite minuta</Emphasis> (Jahnulales,Dothideomycetes), a new species from Florida |
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Authors: | Huzefa A Raja Carol A Shearer |
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Institution: | (1) Department of Plant Biology, University of Illinois, Rm. 265 Morrill Hall, 505 South Goodwin Avenue, Urbana, IL 61801, USA |
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Abstract: | An undescribed ascomycete similar to species in the Aliquandostipitaceae (Jahnulales, Dothideomycetes) was collected from
submerged wood in a freshwater swamp in Big Cypress National Preserve, Florida. The characteristic features of the new species
are as follows: (i) ascomata are small, sessile, light brown, globose to subglobose, papillate, and anchored to the substrate
by wide, brown, septate and subtending hyphae; peridial wall is composed of 1 to 2 layers of large, angular cells with large
lumens; (ii) asci are ovoid to broadly clavate, and fissitunicate; (iii) ascospores are one-septate, fusiform, multiguttulate,
pale brown, surrounded by a fusiform gelatinous sheath, and equipped with numerous filamentous appendages around the midseptum.
The new fungus is most similar to Aliquandostipite crystallinus, from which it differs in overall smaller size and morphology. This new fungus is described and illustrated herein as A. minuta. |
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Keywords: | Aquatic Fungi Submerged wood Swamp Systematics |
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