Graduate Thesis Or Dissertation
 

The genus Anthracobia Boudier (Pezizales, Ascomycetes)

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  • A taxonomic revision of the genus Anthracobia Boudier is presented. The genus and eight included taxa are described and figured. A discussion of the taxonomic criteria used to delimit the genus and the species is included, and a key to the recognized taxa is given. Four imperfect states for included species and the imperfect state for one excluded species are described and figured; of these, three have been previously reported, and two are new. Other previously included species and forms are either synonymized or excluded, with an indication of their affinities, on the basis of examination of the types involved. Anthracobia is again restricted to organisms having hyaline, smooth, biguttulate, elliptical spores and small, yellow-orange to dark brown, lenticular apothecia which are externally clothed with short, blunt, brown excipular hairs grouped in fascicles occurring at and below the margin. All but one species occur on burned soil and charcoal; the one exception occurs on cow dung. After revision, the seven accepted species and one accepted variety include one provisional new combination and two new species which are fully characterized but not formally described. The included taxa are: A. rnacrocystis, A. melaloma, A. nitida, A. subatra, A. subatra var. fusca, A. tristi,s, A. taxonomic species A, and A. taxonomic species B.
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