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Two new species of Acarosporaceae from North America with carbonized epihymenial accretions

Published online by Cambridge University Press:  27 September 2016

Kerry KNUDSEN ,
Jana KOCOURKOVÁ ,
Martin WESTBERG  and
Tim WHEELER
Kerry KNUDSEN*
Affiliation:
Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, Kamýcká 129, Praha 6 - Suchdol, CZ–165 21, Czech Republic
Jana KOCOURKOVÁ
Affiliation:
Department of Ecology, Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, Kamýcká 129, Praha 6 - Suchdol, CZ–165 21, Czech Republic
Martin WESTBERG
Affiliation:
Department of Botany, Swedish Museum of Natural History, P.O. Box 50007, SE-104 05 Stockholm, Sweden
Tim WHEELER
Affiliation:
Organismal Biology, Evolution, and Ecology Program, Division of Biological Sciences, University of Montana, Missoula, Montana 59801, USA
*
Email: knudsen@ucr.edu
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Abstract

Acarospora brodoana K. Knudsen, Kocourk. & M. Westb. is described from the San Bernardino Mountains in southern California. A black hypothecium distinguishes it from other species with a carbonized epihymenium. Sarcogyne albothallina K. Knudsen, Wheeler & M. Westb. is described from the Missouri Breaks in Montana. A white non-farinose thallus and production of 4-O-methylhiascic acid distinguishes it from other species with a carbonized epihymenium. Both species would previously have been placed in Polysporina. The current reported diversity of Acarosporaceae in North America north of Mexico is 93 species.

Keywords

CalciphileslichensmelanizationphylogenySarcogyne cretaceataxonomy
Type
Articles
Information
The Lichenologist , Volume 48 , Issue 5 , September 2016 , pp. 347 - 354
Copyright
© British Lichen Society, 2016 

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