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Spiranthes diluvialis (Orchidaceae), a New Species from the Western United States

Charles J. Sheviak
Brittonia
Vol. 36, No. 1 (Jan. - Mar., 1984), pp. 8-14
Published by: Springer on behalf of the New York Botanical Garden Press
Stable URL: http://www.jstor.org/stable/2806283
Page Count: 7
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Spiranthes diluvialis (Orchidaceae), a New Species from the Western United States
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Abstract

Spiranthes diluvialis, a species known from widely scattered localities in the western United States, is formally described. It has been confused in the past with a number of other species. Morphological characters and cytological data indicate an origin through hybridization of S. magnicamporum and S. romanzoffiana.

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