Plagiochilaceae

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Family: Plagiochilaceae

Group: Bryophyte, Species

Scientific NameCommon NameSummary
Plagiochila arcticaWorley indicates this species is not uncommon in the alpine across the northern part of the region. PacNW herbarium database shows a single collection in Southeast Alaska from Prince of Wales Island.
Plagiochila asplenioidesWorley indicates this species is found throughout the region. PacNW herbarium database currently treats this as a synonym of Plagiochila porelloides (October 2022). FNA note: Plagiochila asplenioides and P. porelloides were confused until recently, and almost all records of P. asplenioides may be P. porelloides. The range of P. asplenioides is currently uncertain and needs to be checked carefully. [1]
Plagiochila gracilisWorley indicates this species is known only from the outer islands. PacNW herbarium database shows no collections of this species from Southeast Alaska (only from the Aleutian Islands).

Worley used P. firma confusa - Plants of British Columbia: Scientific and Common Names of Vascular Plants, Bryophytes, and Lichens indicates this should be P. schoefieldiana

which FNA treatment includes as synonym of P. gracilis (but doesn't mention P. firma confusa)
Plagiochila porelloidesCollections in PacNW herbarium database from throughout the region Apparently not treated by Worley, but see note on Plagiochila asplenioides
Plagiochila satoiWorley indicates this species is found throughout the region. Collections in PacNW herbarium from southern part (as far north as Wrangell).
Plagiochila semidecurrensWorley indicates this species occurring primarily on the outer islands (though also a record near Ketchikan). PacNW herbarium database shows a handful of collections from the outer coast (two in Sitka, three from apparently the same location in the southern outer islands).

http://www.mobot.org/plantscience/bfna/V3/Plagiochilaceae.htm

From FNA treatment: Plagiochila asplenioides and P. porelloides were confused until recently, and almost all records of P. asplenioides may be P. porelloides. The range of P. asplenioides is currently uncertain and needs to be checked carefully.