References

For more information on meadow steppe see the following references:

Arno, S. and R. P. Hammerly, 1977. Northwest trees. The Mountaineers, Seattle.

Barbour, M. G. and W. D. Billings, 1988. North American Terrestrial Vegetation. Cambridge University Press, Cambridge.

Franklin, Jerry F. and C. T. Dyrness. 1988. Natural Vegetation of Oregon and Washington. Oregon State University Press, Corvallis.