Guide to the Plants of the Wallowa Mountains of Northeastern Oregon - Paperbackby Georgia Mason (Author) Guide to the Plants of the Wallowa Mountains of Northeastern Oregon, first published in 1975, is acomprehensive flora of the botanically rich Wallowa Mountains of northeast Oregon. Introductory sections discuss the natural history of the Wallowa Mountains, and their geology, vegetation zones and botanical history. Keys to each family, genus, and species are provided, as are descriptions of each species. Small line drawings