Abstract

Carex reznicekii is described as new from mesic to dry-mesic forests of Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Georgia, Kentucky, Maryland, Mississippi, Missouri, New Jersey, New York, North Carolina, Pennsylvania, Rhode Island, South Carolina, Tennessee, and Virginia. Previously, C reznicekii had mostly been misidentified as either C umbellata or C. nigromarginata. It is distinguished from these species as well as other members of section Acrocystis by a combination of lack of basal spikes, short culms, narrow leaves, and only slightly red pistillate scales. A key to the 19 taxa of section Acrocystis that occur in eastern North America is provided.

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