Isoetes mississippiensis: A new quillwort from Mississippi, USA

Authors: Schafran, Peter DOI: 10.3897/phytokeys.74.10380 Published: Jan. 1, 2016 Source: PhytoKeys OpenAlex: View in OpenAlex

Collection: Pensoft Publishers

Keywords: Isoetes · Topics: Fern and Epiphyte Biology, Marine and coastal plant biology, Plant Diversity and Evolution

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Isoetes mississippiensis S.W. Leonard, W.C. Taylor, L.J. Musselman and R.D. Bray (Isoetaceae, Lycopodiophyta) is a new species known from two sites along tributaries of the Pearl River in southern Mississippi. This species is distinguished from other species in the southeastern United States by a combination of character states including a basic diploid (2n=22) chromosome count, laevigate megaspores, and a narrow velum covering less than one-third of the adaxial sporangium wall.

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