. Vegetation of Oregon and Washington. Botany Oregon Ecology; Botany Washington (State) Ecology. LEGEND FORESTED REGIONS Picea sitchensis Zone Tsuga heterophylla Zone Puget Sound area Mixed Conifer and Mixed Evergreen Zones Interior Valley Zone Pinusponderosa Zone (broad sense) Pumice region Abies grand is and Pseudotsuga menziesii Zones Subalpine forests (including Abies amabilis, A. lasiocarpa, A. magnifica shastensis and Tsuga mertensiana Zones) STEPPE REGIONS STEPPE (without shrubs) SHRUB-STEPPE {Artemisia dominated) DESERT SHRUB Juniperus occidentalis Zone TIMBERLINE AND ALPINE AREAS PSA
. Vegetation of Oregon and Washington. Botany Oregon Ecology; Botany Washington (State) Ecology. LEGEND FORESTED REGIONS Picea sitchensis Zone Tsuga heterophylla Zone Puget Sound area Mixed Conifer and Mixed Evergreen Zones Interior Valley Zone Pinusponderosa Zone (broad sense) Pumice region Abies grand is and Pseudotsuga menziesii Zones Subalpine forests (including Abies amabilis, A. lasiocarpa, A. magnifica shastensis and Tsuga mertensiana Zones) STEPPE REGIONS STEPPE (without shrubs) SHRUB-STEPPE {Artemisia dominated) DESERT SHRUB Juniperus occidentalis Zone TIMBERLINE AND ALPINE AREAS PSA PR. Figure 26. — Schematic diagram illustrating interfingering of zones in mountainous topography. 39. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Franklin, Jerry F. cn; Dyrness, C. T. Portland, Or. : Pacific Northwest Forest and Range Experiment Station, U. S. Dept. of Agriculture
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