Chaenotheca balsamconensis, a new calicioid lichen on Trichaptum abietinum from North America that is benefiting from widespread conifer fatalities

Jessica L. Allen; Richard Troy McMullin

doi:10.1639/0007-2745-118.1.054

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Jessica L. Allen,^1,* Richard Troy McMullin²

¹1 Institute of Systematic Botany, The New York Botanical Garden, Bronx, NY 10458-5126, U.S.A.
²2 Biodiversity Institute of Ontario Herbarium, University of Guelph, 50 Stone Road East, Ontario, N1

^*Corresponding author’s e-mail: jallen@nybg.org

Abstract

Chaenotheca balsamconensis is described as new to science based on collections from the Great Lakes and Appalachians of eastern North America (Maine, New Brunswick, North Carolina, Ontario, Prince Edward Island and Québec), and one population from western North America (British Columbia). It is distinguished from other species of Chaenotheca by its restriction to Trichaptum abietinum as a substrate, almost exclusively immersed thallus, smooth ascospores, and the presence of a KOH red pigment in the stalk. Large-scale conifer fatalities in eastern North America have increased the available habitat for T. abietinum, which has likely caused a boom in the population of C. balsamconensis.

Citation Download Citation

Jessica L. Allen and Richard Troy McMullin "Chaenotheca balsamconensis, a new calicioid lichen on Trichaptum abietinum from North America that is benefiting from widespread conifer fatalities," The Bryologist 118(1), 54-58, (24 April 2015). https://doi.org/10.1639/0007-2745-118.1.054

Received: 5 November 2014; Accepted: 1 February 2015; Published: 24 April 2015

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