Natural Vegetation of Oregon and Washington by Jerry F. Franklin and C. T. Dyrness is a seminal 1973 ecological reference work that provides an exhaustive classification and description of the diverse plant communities across the Pacific Northwest. Widely considered the definitive text for regional botany, the book meticulously details the distinct environmental zones, major forest types, and steppe landscapes native to the two states. It remains an indispensable foundational resource for ecologists, land managers, and researchers studying the complex flora and ecosystems of the region.

Climate, Ecological succession, Écologie végétale Oregon, Écologie végétale Washington (État), Geology, Oregon, Pflanzen, Plant communities, Plant communities Oregon, Plant communities Washington (State), Plant ecology, Plant ecology Oregon, Plant ecology Washington (State), Soil, Vegetation, Vegetation types, Washington, Washington (State)

"Originally published by the U.S. Forest Service in 1973. Reprinted with new bibliographic supplement by the OSU Press in 1988"--Title page verso

"Originally published by the U.S. Forest Service in 1973. Reprinted with new bibliographic supplement by the OSU Press in 1988"--Title page verso