Harvey Eugene Ballard

Harvey Eugene Ballard (born 1958), U.S. American botanist.

• Herbarium, University of Wisconsin-Madison, Birge Hall, 430 Lincoln Drive, Madison, Wisconsin, 53706-1381, U.S.A. (until 1997)
• Department of Environmental and Plant Biology, Porter Hall, Ohio University, Athens, Ohio 45701, U.S.A. (in 1997)

IPNI standard form: H.E.Ballard

(List may be incomplete)

• 5 taxon names authored by Harvey Eugene Ballard

(List may be incomplete)

• , Wetter, M.A. & Zamora, N. 1997. Two New Species of Hybanthus (Violaceae) from Central America and a Regional Key for the Genus. Novon 7(3): 221–226. DOI: 10.2307/3391930 BHL ResearchGate Reference page. 
• , Sytsma, K.J., & Kowal, R.R. 1998. Shrinking the violets: Phylogenetic relationships of infrageneric groups in Viola (Violaceae) based on internal transcribed spacer DNA sequences. Systematic Botany 23(4): 439–458. jstor Reference page. 
• Peirson, J.A., Cantino, P.D. & 2006. A Taxonomic Revision of Collinsonia (Lamiaceae) Based on Phenetic Analyses of Morphological Variation. Systematic Botany 31(2): 398–409. DOI: 10.1600/036364406777585838 JSTOR ResearchGate Reference page. 
• & Iltis, H.H. 2012. Viola lilliputana sp. nov. (Viola sect. Andinium, Violaceae), one of the world's smallest violets, from the Andes of Peru. Brittonia 64(4): 353–358. DOI: 10.1007/s12228-012-9238-0 ResearchGate Reference page. 
• Wahlert, G.A. & 2012. A phylogeny of Rinorea (Violaceae) inferred from plastid DNA sequences with an emphasis on the African and Malagasy species. Systematic Botany 37(4): 964–973. DOI: 10.1600/036364412X656392 ResearchGate Reference page. 
• Donnell, A.A., & Cantino, P.D. 2012. Callianthe (Malvaceae): A new genus of neotropical Malveae. Systematic Botany 37(3): 712–722. DOI: 10.1600/036364412X648689 ResearchGate Reference page. 
• McCauley, R.A. & 2013. Viola calcicola (Violaceae), a new endemic violet from the guadalupe mountains of New Mexico and Texas. Journal of the Botanical Research Institute of Texas 7(1): 9–20. JSTOR . ResearchGate . BHL. Reference page. 
• Wahlert, G.A., Hoyos-Goméz, S.E. & 2018. Systematic studies in Neotropical Rinorea (Violaceae): Two new sections and a new generic segregate. Brittonia 70(1): 140–147. DOI: 10.1007/s12228-017-9507-z Reference page. 
• , Kartesz, J.T. & Nishino, M. 2023. A taxonomic treatment of the violets (Violaceae) of the northeastern United States and adjacent Canada. Journal of the Torrey Botanical Society 150(1): 3–266. DOI: 10.3159/TORREY-D-22-00029.1 Reference page.