. Vegetation of Oregon and Washington. Botany Oregon Ecology; Botany Washington (State) Ecology. cial outwash, and lava flows in the Cas- cade Range of southern Washington and northern Oregon; this community is distinguished by a depauperate un- derstory of Arctostaphylos uva-ursi or A. nevadensis and many species of li- chens and mosses (Kalama River lahar, Gifford Pinchot National Forest, Wash- ington). Figure 154. — Vegetations on serpentine sites and ad- jacent nonserpentine soils often con- trast sharply; in this Siskiyou Mountain area, open Pinus Jeffrey>i stands on ser- pentine (righ
. Vegetation of Oregon and Washington. Botany Oregon Ecology; Botany Washington (State) Ecology. cial outwash, and lava flows in the Cas- cade Range of southern Washington and northern Oregon; this community is distinguished by a depauperate un- derstory of Arctostaphylos uva-ursi or A. nevadensis and many species of li- chens and mosses (Kalama River lahar, Gifford Pinchot National Forest, Wash- ington). Figure 154. — Vegetations on serpentine sites and ad- jacent nonserpentine soils often con- trast sharply; in this Siskiyou Mountain area, open Pinus Jeffrey>i stands on ser- pentine (right) contrast with those of Pseudotsuga menziesii, Pinus lamberti- ana, and Libocedrus decurrens on non- serpentine soils (left).. 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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