Bouteloua hirsuta Lag.

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The New York
Botanical Garden
PLANTS OF AGUASCALIENTES
3*f
COLLECTED FOR THE HERBARIUM OF THE UNIVERSITY OF MICHIGAN »Y ^ A
ROGERS MCVAUGH AND RUTH B. MCVAUGH
Bouteloua hirsuta Lag*
Shrub-covered, nearly treeless mountainsides ca. 20 km. east of
Rincon de Romos, road to Asientos, between Cerro Altamira and
Cerro de San Juan, elevation 2200-2450 m; limestone areas with
Ceanothus, Ephedra, Mimosa; areas of rhyolitic rock with
Opuntia, Mimosa, Eupatorium, Eriogonum.
Abundant on volcanic rocks*
New York Botanical Garden
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ROGERS MCVAUGH. NO. 23731 4-8 SEPTEMBER 1887