References for Violaceae

Baird, V.B. 1941. Wild violets of North America. Univ. Calif. Press. Berkeley, CA. 225 p.
Baker, M.S. 1935. Studies in western violets. I. Madrono 3:51-57.
Baker, M.S. 1936. Studies in western violets. II. Madrono 3:321-239.
Baker, M.S. 1940. Studies in western violets. III. Madrono 5:218-231.
Baker, M.S. 1949. Studies in western violets. VI. Madrono 10:110-128.
Baker, M.S. 1953. Studies in western violets. VII. Madrono 12:8-18.
Baker, M.S. 1957. Studies in western violets. VIII. The Nuttalianae continued. Brittonia 9:217-230.
Brainerd, E. 1905. Notes on New England violets, - III. Rhodora 7:245-248.
Brainerd, E. 1921. Violets of North America. Vermont Agric. Exp. Sta. Bull.No. 224. Burlington, VT.
Clausen, J. 1964. Cytotaxonomy and distributional ecology of western North American violets. Madrono 17:173-197.
Douglas, G.W. and M. Ryan. 1998. Status of the Yellow Montane Violet, Viola praemorsa ssp. praemorsa (Violaceae) in Canada. Can. Field-Nat. 112:280-283.
Fabijan, D.M., J.G. Packer and K.E. Denford. 1987. The taxonomy of the Viola nuttallii complex. Can. J. Bot. 65:2562-2580.
Harms, V.L., D.F. Hooper and L. Baker. 1985. Four violets new to the Saskatchewan flora and other rare violets of east-central Saskatchewan. Can. Field-Nat. 99:498-502.
McPherson, G.D., and J.G. Packer. 1974. A contribution to the taxonomy of Viola adunca. Can. J. Bot. 52:985-902.
Packer, J.G. 1991. Violaceae. In G.W. Douglas et al., eds. The Vascular Plants of British Columbia. Part 3 - Dicotyledons (Primulaceae through Zygophyllaceae) and Pteridophytes. Special Rep. Ser. 3. B.C. Minist. For., Victoria, BC.
Russell, N.H. 1956. Regional variation patterns in the stemless white violets. Amer. Midl. Nat. 56:491-503.
Russell, N.H. 1955. The taxonomy of the North American acaulescent white violets. Amer. Midl. Nat. 54:481-494.
Russell, N.H., and F.S. Crosswhite. 1963. An analysis of variation in Viola nephrophylla. Madrono17:56-65.
Sorsa, M. 1968. Cytological and evolutionary studies in Palustres violets. Madrono 19:165-179.

Source for the Reference Lists

George W. Douglas, Del Meidinger and Jim Pojar. 1998-2002. Illustrated Flora of British Columbia.