Vol. 2, pt. B by: Noel H. Holmgren, Patricia K. Holmgren, Arthur Cronquist.
Vols. 2B-5 published by the New York Botanical Garden.
Vol. 6 published for the he New York Botanical Garden by Columbia University Press, New York.
v. 1. Geological and botanical history of the region, its plant geography and a glossary. The vascular cryptogams and the gymnosperms
v. 2, pt. A. Subclass Magnoliidae-Caryophyllidae
v. 2, pt. B. Subclass Dilleniidae
v. 3, pt. A. Subclass Rosidae (except Fabales)
v. 3, pt. B. Fabales
v. 4. Subclass Asteridae (except Asteraceae)
v. 5. Asterales
v. 6. The monocotyledons.
OBNB doesn't sell books, but you may be able to find a copy at one of these websites:
Intermountain flora : vascular plants of the Intermountain West, U.S.A.. ISBN 9780893275204. Published by Hafner Pub. Co. in 1972. Publication and catalogue information, links to buy online and reader comments.
