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Article Abstract – Knudsen et al. (2011)


Studies in lichens and lichenicolous fungi — no 15: miscellaneous notes on species from eastern North America

Authors and affiliations:

Kerry Knudsen, The Herbarium, Department of Botany and Plant Sciences, University of California at Riverside
James C. Lendemer, The New York Botanical Garden, Institute of Systematic Botany, Bronx, NY
Richard C. Harris, The New York Botanical Garden, Institute of Systematic Botany, Bronx, NY


Opuscula Philolichenum 9: 45-75 (2011)


Acarospora americana is revised and separated from A. veronensis. Acarospora superfusa and A. cinereoalba are placed in synonymy with A. americana. A lectotype is selected for A. cinereoalba. A key to the Acarospora species from North America with gyrophoric/lecanoric acid is presented. Acarospora gallica, A. rugulosa, A. sparsa, A. tongleti, and A. variegata are excluded from the North American lichen biota. Range extensions are reported for A. janae, A. nicolai, and Sarcogyne reebiae. The name Arthonia subcyrtodes is placed in synonymy with A. intervienens. The combination Bactrospora carolinensis (for Patellaria carolinensis) is proposed and B. mesospora is placed in synonymy. The following taxa are described as new to science: Acarospora piedmontensis (from the Piedmont of southeastern North America), A. sphaerosperma (from the Ozarks and Ohio), Lecanora zeroensis (from the Coastal Plain of Georgia), and Melanophloea americana (from the Mid-Atlantic Region). Polysporina cyclocarpa is newly reported from continental North America. Xanthomendoza weberi is revised to include X. rosmarieae and Xanthoria wetmorei as synonyms.

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