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10 July 2020 Pseudocyphellaria holarctica (Lobariaceae) specimens from Oregon are referable to P. hawaiiensis
Daphne Stone, Matt Gordon, Bruce McCune
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Pseudocyphellaria holarctica McCune, Lücking & Moncada was recently described as having a North American and Russian Far East distribution, based on specimens collected from eastern Asia, Alaska and Oregon. However, the single sequence representing a collection from Oregon in this study actually was from a specimen collected in Alaska. To clarify the range of this species we obtained ITS sequences for all specimens identified as P. holarctica from Oregon examined in the original study, as well as 23 putative P. hawaiiensis collections from Oregon. Analysis of ITS regions of these specimens indicated that all were assignable to P. hawaiiensis rather than to P. holarctica. No specimens of P. holarctica are known from Oregon, California or Washington.

Copyright ©2020 by The American Bryological and Lichenological Society, Inc.
Daphne Stone, Matt Gordon, and Bruce McCune "Pseudocyphellaria holarctica (Lobariaceae) specimens from Oregon are referable to P. hawaiiensis," The Bryologist 123(2), 260-264, (10 July 2020).
Received: 25 February 2020; Accepted: 15 May 2020; Published: 10 July 2020
lichen systematics
P. hawaiiensis
Pseudocyphellaria crocata group
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