McDougall, W. B. 1883-
Plants of Yellowstone National Park./ by W.B. McDougall and Herma A. Baggley. - Washington : Government Printing Office, 1936. - iv, 160 pages ; illustrations, some color ; 24 cm.
"With illustrations and keys for identification." -- title page.
Index: p.142-160.
Plants--Yellowstone National Park.
F 722 / M33 1936
Plants of Yellowstone National Park./ by W.B. McDougall and Herma A. Baggley. - Washington : Government Printing Office, 1936. - iv, 160 pages ; illustrations, some color ; 24 cm.
"With illustrations and keys for identification." -- title page.
Index: p.142-160.
Plants--Yellowstone National Park.
F 722 / M33 1936