Benjamin Øllgaard or Benjamin Oellgaard (born 1943), Danish botanist.

IPNI standard form: B.Øllg.

Taxon names authored

(List may be incomplete)

• 22 taxon names authored by Benjamin Øllgaard

Publications

(List may be incomplete)

• Øllgaard, B. 1987. A revised classification of the Lycopodiaceae s. lat. Opera Botanica 92: 153–178. Reference page. 
• Øllgaard, B. 2004. Novelties in Neotropical Lycopodiaceae. Nordic Journal of Botany 23(1): 31–47. DOI: 10.1111/j.1756-1051.2003.tb00366.x Reference page. 
• Cremers, G., Hickey, R.J., Lellinger, D.B., Mickel, J.T., Moran, R.C., Øllgaard, B. & Smith, A.R. 2007. Pteridophytes & allies. In Funk, V., Hollowell, T., Berry, P., Kelloff, C. & Alexander, S.N., Checklist of the plants of the Guiana Shield (Venezuela: Amazonas, Bolivar, Delta Amacuro; Guyana, Surinam, French Guiana). Contributions from the United States National Herbarium 55: 17–56. BHL Reference page. 
• Øllgaard, B. 2012. New combinations in Neotropical Lycopodiaceae. Phytotaxa 57: 10–22. DOI: 10.11646/phytotaxa.57.3 Reference page. 
• Øllgaard, B. 2012. Nomenclatural changes in Brazilian Lycopodiaceae / Mudanças nomenclaturais em Lycopodiaceae do Brasil. Rodriguesia 63(2): 479–482. DOI: 10.1590/S2175-78602012000200020 JSTOR ResearchGate Reference page.