Plant communitites and soils of north slopes in the Palouse region of eastern Washington and northern Idaho.
Aller, A. R., M. A. Fosberg, M. G. LaZelle, and A. L. Falen. 1981. Plant communitites and soils of north slopes in the Palouse region of eastern Washington and northern Idaho. Northwest Science, Vol. 55, No. 4: 248-261.