Bibiography:  Reference Listing
for the Violaceae

Baird, V.B. 1942. Wild violets of North America Univ. California Press, Berkeley and Los Angeles.

Ballard, H.E. Jr. 1994. Violets of Michigan. Michigan Bot. 33:131-199.

Brainerd, E. 1921. Violets of North America. Bulletin No. 224, Vermont State Agricultural Experiment Station. Free Press Printing Co., Burlington, VT.

Brizicky, G.K. 1961b. The genera of Violaceae in the southeastern United States J. Arnold Arbor. 42:321-333.

Culver, D.C. and A.J. Beattie. 1980. The fate of Viola seeds dispersed by ants Amer. J. Bot. 67:710-714.

Gil-Ad, N. 1997. Systematics of Viola subsection Boreali-Americanae Boissiera 53:1-130.

Lacey, J.B. 1969. Key to violets (Viola, Violaceae) of Nacogdoches County, Texas Sida 3:311-312.

McKinney, L. E. 1992. A Taxonomic Revision of the Acaulescent Blue Violets (Viola) of North America. Sida, Botanical Miscellany No. 7.

Powell, A. M. and B. Wauer. 1990. A new species of Viola (Violaceae) from the Guadalupe Mountains, Trans-Pecos Texas. Sida 14:1-6.

Russell, N.H. 1961. Notes: Keys to Louisiana violets (Viola-Violaceae) SouthW. Naturalist 6:184-186.

Russell, N.H. 1965. Violets (Viola) of central and eastern United States: An introductory survey Sida 2:1-113.

Turner, B.L. and L.K. Escobar. 1991. Documented chromosome numbers 1991: 1m Chromosome numbers in Hybanthus (Violaceae) Sida 14:501-503.

Valentine, D.H. 1962. Variation and evolution in the genus Viola. Preslia 34:190-206.