Viguiera stenoloba S.F.Blake

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Vigulera stenoloba Blake
var. chihuaKuensis Butterwick
Mary Butterwick, 1975
University of Texas Herbarium
Collected under the direction of Major W. H. Emorv, Commissioner,
chiefly in the Valley of the Rio Grande, below Donana—by C. C. Parry,
M. D., J. M. Bigelow, M. D., Mr. Charles Wright, and Mr. A? Sch^t.
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