CHECKLIST OF THE VASCULAR PLANTS OF THE INTERMOUNTAIN REGION (Signed)

(Title Page illustrated) Holmgren, Arthur H & Reveal, James L. Published by US Forest Serv, 1966. Paperback. Condition: Very Good. Res Paper INT-32, 160 pp.+ Map Frontis, Light Brn Paperback, The floristic boundaries of the Intermountain region have been determined by the Intermountain Herbarium if after more than 3 decades of study. Signed