A New Combination for a Narrowly Endemic Polemonium (Polemoniaceae)

Jeffrey P. Rose; Kenneth J. Sytsma

doi:10.3417/2023816

Jeffrey P. Rose University of Nebraska at Kearney https://orcid.org/0000-0001-5598-7584
Kenneth J. Sytsma University of Wisconsin-Madison

DOI: https://doi.org/10.3417/2023816

Keywords: Eastern North America, Great Lakes, Polemoniaceae, Polemonium

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.