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22 March 2023 A New Combination for a Narrowly Endemic Polemonium (Polemoniaceae)
Jeffrey P. Rose, Kenneth J. Sytsma
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Abstract

Based on recent molecular work, Polemonium occidentale Greene subsp. lacustre Wherry (Polemoniaceae) is elevated to species rank as P. lacustre (Wherry) J. P. Rose & Sytsma. Key morphological distinctions between this and other species of the clade to which it belongs are summarized.

Jeffrey P. Rose and Kenneth J. Sytsma "A New Combination for a Narrowly Endemic Polemonium (Polemoniaceae)," Novon: A Journal for Botanical Nomenclature 31(1), 33-35, (22 March 2023). https://doi.org/10.3417/2023816
Published: 22 March 2023
KEYWORDS
eastern North America
Great Lakes
Polemoniaceae
Polemonium
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