Land above the trees : a guide to American alpine tundra /
by Ann H. Zwinger and Beatrice E. Willard ; with line drawings by Ann H. Zwinger and photos by Herman Zwinger and Beatrice Willard.
- [First edition]
- xviii, 489 pages illustrations (part color) 26 cm.
Bibliography: p. 455-466.
0060148233
72079702 //r962
Mountain ecology--United States. Tundra ecology--United States. Mountain plants--United States.