Ecological investigation of Viola adunca
By: by Paul C. Hammond and David V. McCorkle.
Contributors: McCorkle, David V. 1934-
Publisher: Forest Service USDA, Pacific Northwest Region, Suislaw National Forest
Published: 1984
Place of publication: [Portland? Or.]
Language: eng
Number of pages: 84
Subjects: Violets -- Oregon.
Notes: "October, 1984."

"Literature cited :" p. 61-62.