http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Intermountain flora; vascular plants of the Intermountain West, U.S.A
v. 1. Geological and botanical history of the region, its plant geography and a glossary. The vascular cryptogams and the gymnosperms -- v. 4. Vascuar plants of the Intermountain West. U.S.A. -- v. 5. Asterales --v. 6. The monocotyledons.
Volume 6 imprint reads: Published for the New York Botanical Garden by Columbia University Press, New York.