Olive Mary Hilliard (1926–2017), South African botanist.

IPNI standard form: Hilliard

Taxon names authored

(List may be incomplete)

• 24 taxon names authored by Olive Mary Hilliard

Publications

(List may be incomplete)

• Hilliard, OM, BL Burtt 1971. Streptocarpus: an African Plant Study

• Hilliard, O.M. & Burtt, B.L. 1981. Some generic concepts in Compositae – Gnaphaliinae. Botanical Journal of the Linnean Society 82(3): 181–232. DOI: 10.1111/j.1095-8339.1981.tb00958.x . Reference page.  ‎
• Hilliard, OM. 1983. Flora of Southern Africa Series. Ed. Balogh Scientific Books. 325 pp. ISBN 0-621-07943-X
• Hilliard, OM. 1987. The Botany of the Southern Natal Drakensberg (Annals of Kirstenbosch Botanic Gardens) Ed. National Botanic Gardens. 253 pp. ISBN 0-620-10625-5
• Hilliard, OM, BL Burtt. 1991. Dierama: The Hairbells of Africa. Ed. Timber Press, Inc. 152 pp. ISBN 1-874802-01-7
• Hilliard, OM. 1995. The Manuleae: A Tribe of Scrophulariaceae. Ed. Edinburgh University Press. 600 pp. ISBN 0-7486-0489-8
• Hilliard, OM, LS Davis (ilustradora). 1997a. Trees Shrubs Natal (Ukhahlamba). Ed. Univ. of Kwazulu Natal Press; 2ª ed. 48 pp. ISBN 0-86980-882-6
• Hilliard, OM. 1997b. Flowers of the Natal Drakensbrg: The Lily, Iris And Orchid Family And Their Allies (Ukhahlamba S.) Ed. Univ. of Kwazulu Natal Press. 85 pp. ISBN 0-86980-702-1