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24 May 2013 Erigeron pacalis (Asteraceae), a New Species from Western Canadian Boreal Grasslands
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Abstract

Erigeron pacalis Björk (Asteraceae) is a new species found only in the Peace River Grasslands of northeastern British Columbia, Canada. Its characteristics (short stature, leathery leaves, vestiture of mixed glandular and nonglandular hairs, and white rays) distinguish it from E. glabellus Nutt. and E. asper Nutt., the latter of which has appeared only in synonymy under E. glabellus according to most recent authors, but which shows consistent distinctions that merit its resurrection from synonymy.

Curtis R. Björk "Erigeron pacalis (Asteraceae), a New Species from Western Canadian Boreal Grasslands," Novon: A Journal for Botanical Nomenclature 22(3), 271-275, (24 May 2013). https://doi.org/10.3417/2012030
Published: 24 May 2013
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