Richard Eric Holttum (1895–1990), British botanist.

IPNI standard form: Holttum

Taxon names authored

(List may be incomplete)

• 93 taxon names authored by Richard Eric Holttum

Publications

(List may be incomplete)

• Holttum, R.E. 1947. New Species of Vascular Plants from the Malay Peninsula. Gardens' Bulletin, Singapore 11(4): 267–298. BHL Reference page. 
• Holttum, R.E. 1953. Three New Orchids from Malaya. Gardens' Bulletin, Singapore 14(1): 4–7. BHL Reference page: 
• Holttum, R.E. 1957. Morphology, growth-habit, and classification in the family Gleicheniaceae. Phytomorphology 7: 168–184 Reference page. 
• Holttum, R.E. 1960. Two Problem-Species: Schizoloma cordatum Gaud. and Syngramma pinnata J. Smith. American Fern Journal 50(1): 109–113. DOI: 10.2307/1545252 BHL Reference page. 
• Holttum, R.E. 1960. The Genera Sarcochilus R.Br. and Pteroceras Hassk. (Orchidaceae) with Notes on Other Genera Which Have Been Included in Sarcochilus. Kew Bulletin 14(2): 263–276. DOI: 10.2307/4114807 Reference page: 
• Holttum, R.E. 1962. New species of Malaysian ferns. Blumea 11(2): 529–534. PDF Reference page. 
• Holttum, R.E. 1967. New Ferns from Malesia. Kew Bulletin 20(3): 455–460. DOI: 10.2307/4108247 Reference page. 
• Holttum, R.E. 1968. A re-definition of the fern-genus Taenitis Willd. Blumea 16(1): 87–95. PDF Reference page. 
• Holttum, R.E. 1975. A Comparative Account of the Fern-Genera Syngramma J.Sm. and Taenitis Willd., with Discussion of Their Relationships to Each Other and to Other Genera. Kew Bulletin 30(2): 327–343. DOI: 10.2307/4103160 Reference page. 
• Holttum, R.E. 1986. Studies in the fern-genera allied to Tectaria Cav. VI. A conspectus of genera in the Old World regarded as related to Tectaria, with descriptions of two genera. Gardens' Bulletin. Singapore 39(2): 153–167. BHL Reference page.