Appendix C

Distribution of plant communities in Pinus contorta forest in Crater LakeNational Park. Heavy black lines correspond to the boundaries of the principal P. contorta stands. "X" signifies non-P. contorta surrounded by P. contorta. Each grid unit in the eastern part of the Park is one mile square. All maps are to the same scale (from Zeigler, 1978).

Communities:

1 = Calocedrus decurrens/Arctostophylos

2 = Pinus contorta/Purshia/Carex

3 = Pinus contorta/Carex-Stipa

4 = Pinus contorta/Carex-Lupinus

5 = Abies concolor/Bromus carinatus - Lupinus

6 = Abies lasiocarpa/Collomia-Lathyrus

7 = Abies lasiocarpa/Haplopappus/Aster-Elymus

8 = Abies magnifica var. shastensis - Tsuga mertensiana/Carex-Lupinus

9 = Mixed Conifer/Arctostaphylos-Purshia/Carex

10 = Tsuga mertensiana/Vaccinium

11 = Mixed Conifer/Arctostaphylos

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