Prunus virginiana L.

CHICAGO NATURAL HISTORY MUSEUM
VEGETATION SURVEY ALONG
THE ENTERPRISE-MACKENZIE
RIVER HIGHWAY, N. W. T.,
CANADA
July 10	John W. Thieret
1959	Robert J. Reich
NEW YORK BOTANICAL GARDEN
Prague Virginians L*
(Tap. melanooarpa (A« Nels.) Sarg.?}
atolli to 4 feet.
rare ia limestone outcrop area» alle 19 3/4. much,
bare rock» or ahallow residuai soil, scattered mall
trees, including Jack pine» white spruce» trembling
aspen, shrubs! Shepherdia, Potentina, Rosa» Juniperus
spp.» Arctostaphylos uTa-ursi* herbs: Saxifrage tri»
cuspidata» Zgrgadexma» Anemone multi fi da» Cerastium
arrenae.
specimens prepared by the formaldehyde method (see Rhodora 49: 54-60. 1947)
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