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STUDIES IN THE ARISTIDA (GRAMINEAE) OF THE SOUTHEASTERN UNITED STATES. III. NOMENCLATURE AND A TAXONOMIC COMPARISON OF A. LANOSA AND A. PALUSTRIS

Kelly W. Allred
Rhodora
Vol. 87, No. 850 (April 1985), pp. 147-155
Stable URL: http://www.jstor.org/stable/23314588
Page Count: 9
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
STUDIES IN THE ARISTIDA (GRAMINEAE) OF THE SOUTHEASTERN UNITED STATES. III. NOMENCLATURE AND A TAXONOMIC COMPARISON OF A. LANOSA AND A. PALUSTRIS
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Abstract

The correct name for the grass known as Aristida affinis (Schultes) Kunth in the United States is A. palustris (Chapman) Vasey, A. affinis being a synonym of A. purpurescens Poiret. The taxonomic relationship of A. lanosa Muhl. ex Elliott and A. palustris was assessed using principal components and stepwise discriminant analyses. The two taxa are clearly distinguished by a combination of several vegetative and spikelet structures and are not closely related phenetically.

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