ORIGINAL ARTICLE
Two rare Peltigera species new to the Canadian Arctic, P. islandica and P. lyngei
| 1 | Research and Collections, Canadian Museum of Nature, PO Box 3443,
Station D, Ottawa, Ontario, K1P 6P4, Canada |
| 2 | Department of Biology, Duke University, Durham, North Carolina,
27708-0338, USA |
Online publication date: 2022-07-20
Publication date: 2022-07-20
Plant and Fungal Systematics 2022; 67(1): 17–23
KEYWORDS
BiogeographyPeltigeralesArcticArviatKukluk/Bloody Falls TerritorialParkNuvuk (proposed) Territorial ParkSylvia Grinnell Territorial Park
ABSTRACT
Peltigera islandica and P. lyngei are rarely reported lichens. Previously, P. islandica
was known from British Columbia, Estonia, and Iceland, and P. lyngei from Amchitka
Island (Alaska), Gough Island (South Atlantic), Iceland, Siberia and Svalbard. Both species
are reported here for the first time from the Canadian Arctic and from the second localities
in North America. Peltigera lyngei is also reported for the first time from Canada. The identities
of these species are confirmed morphologically, chemically, and with molecular data.
Phylogenetic relationships are inferred using the ITS region. The widespread, but scattered,
distribution of both species suggests that they may be underreported throughout their range.
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