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Bryoria Sect. Subdivergentes Recognized as the New Genus Nodobryoria (Lichenized Ascomycotina)

Ralph S. Common and Irwin M. Brodo
The Bryologist
Vol. 98, No. 2 (Summer, 1995), pp. 189-206
DOI: 10.2307/3243304
Stable URL: http://www.jstor.org/stable/3243304
Page Count: 18
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Bryoria Sect. Subdivergentes Recognized as the New Genus Nodobryoria (Lichenized Ascomycotina)
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Abstract

Bryoria abbreviata, B. oregana and B. subdivergens, all belonging to Bryoria sect. Subdivergentes, form a well-defined group distinct from other species of Bryoria and other genera of lichens, based on cell wall chemistry, cortical anatomy, and general morphology. These three species are recognized here as comprising the new genus Nodobryoria. Bryoria divergescens is excluded from sect. Subdivergentes and the new genus. Details of the ascus structure and dehiscence with reference to the structure and origin of an operculum-like "inner ascalflap" are presented.

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