Asclepias pumila (A.Gray) Vail

NEW YORK BOTANICAL GARDEN
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American Plains Flora, Lat 41°. 1
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A. vS&ticillata, L., a common dwarf variety of the region, onlythieS]
inches liigh., /. .	,•	???	''
l^^^elTs^Coloracio Exploring ^EfS^ition, 1868«
^^S^Monntiun8\fLat. 40-41®* '* ^ ' DrkGeo. Yasey, ;Botanisi;
y6RK fOTAN^%
E. WALL & J. P. HARBOUR, Colls. 1862.
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