Intermountain flora; vascular plants of the Intermountain West, U.S.A.,
by Arthur Cronquist [and others]

APA Citation

Cronquist, A., New York Botanical Garden. (1972). Intermountain flora; vascular plants of the Intermountain West, U.S.A.. New York: Published for the New York Botanical Garden by Hafner Pub. Co..

MLA Citation

Cronquist, Arthur, and New York Botanical Garden. Intermountain Flora; Vascular Plants of the Intermountain West, U.S.A.. New York: Published for the New York Botanical Garden by Hafner Pub. Co., 1972.