> [!cite] BHL link: this entry starts at [page 160](https://www.biodiversitylibrary.org/page/33260148) of TL-2 Suppl. VI
> Author links: [IPNI](https://www.ipni.org/a/2370-1) LSID 2370-1, [Wikidata](https://www.wikidata.org/wiki/Q3430474) QID Q3430474
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
> [!example] See also [[Dümmer, Richard Arnold|first entry]] for this author
### Author
Dummer (formerly Dümmer), Richard Arnold (1887-1922), South African horticulturalist and botanist, born 1887 in Cape Town, died 2 Dec 1922 in Uganda through a motor accident, employed in the Cape Town municipal gardens, visiting Kew Gardens 1910-1911, left Kew and worked in Cambridge 1912-1914, Kampala, Uganda 1914-1922.
**Abbreviated name**: *Dummer* \[standard form in IPNI: *Dümmer*\]
#### Herbarium and types
[[Collection BM|BM]], [[Collection K|K]] and [[Collection PRE|PRE]], further material at [[Collection A|A]], [[Collection B|B]], [[Collection E|E]], [[Collection HH (sensu TL-2)|HH]], [[Collection MANCH|MANCH]], [[Collection MO|MO]], [[Collection NH|NH]] (150), [[Collection P|P]], [[Collection PC|PC]], [[Collection SAM|SAM]], [[Collection US|US]]. – *Plantae Peninsulae Capensis* Cent. 1-7. 1909.
#### Bibliography and biography
Barnhart 1: 477 (Dümmer), 480 (Dummer); BB p. 97 (Dümmer); Bossert p. 109; Dawson p. 199; Hortus 3: 1192; IH 2: 171; Kew 2: 135-136 (Dümmer), 139 (Dummer); MW p. 101.
#### Biofile
- Alexander, C.P., Entomol. News 34: 192. 1923.
- Anon., J. Kew Guild 1923: 175 (portr.); J. Bot. 61: 158. 1923; Kew Bull. 1923: 94.
- Bullock, A.A., Bibl. S. Afr. Bot. 31. 1978.
- Exel, A.W. and G.A. Hayes, Kirkia 6(1): 91. 1967 (Coll. Fl. Zambesiaca).
- Gunn, M. and L.E. Codd, Bot. Explor. S. Afr. 140-141. 1981 (details, portr.).
- Hunt Institution, Biogr. dict. portr. coll. 109. 1972.
- Leeuwenberg, A.J.M., Webbia 19(2): 862. 1965.
- Merrill, E.D., B.P. Bishop Mus. Bull. 144: 76. 1937.
- Sayre, G., Mem. New York Bot. Gard. 19(3): 313. 1 Mai 1975.
- White, A. and B.L. Sloane, The Stapelieae 101. 1933, ed. 2: 134, 430. 1937.
### Publications
##### n.31.941. Grape sugar
**Title**
*Grape sugar* as an excretion in *Platycerium*... Annals of Botany... 1911. Oct.
**Notes**
*Publ*.: Oct 1911 (on cover-t.p.), cover-t.p., p. \[1205\]-1206. 1911. *Copy*: L. – Reprinted and to be cited from Ann. Bot. 25(100): 1205-1206. 1911.
##### n.31.942. südafrikanische Rutaceen
**Title**
Einige neue *südafrikanische Rutaceen*... Sonderabdruck aus Fedde, Repertorium... 1912. Oct.
**Notes**
*Publ*.: 20 Jul 1912 (in journal), p. \[120\]-121. *Copy*: B. – Reprinted and to be cited from Fedde, Repert. spec. nov. 11: 120-121. 1912.
##### n.31.943. enumeration
**Title**
An *enumeration* of the *Bruniaceae*... London (West, Newman & Co....) 1912. Oct.
**Abbreviated title**: *Enum. Bruniac.*
**Notes**
*Publ*.: Aug-Oct 1912 (in journal), p. \[i-ii\], \[1\]-35. *Copies*: BR, U. – Issued as suppl. 2 to J. Bot. 50. 1912.
##### n.31.944. synopsis
**Title**
A *synopsis* of the species of *Lotononis*, Eckl. and Zeyh., and Pleiospora, Harv.... \[Transactions of the Royal Society of South Africa... 1913\]. Oct.
**Notes**
*Publ*.: 1913 (read Apr 1913, mss. submitted 13 Nov 1912 \[sic\]), p. 275-335, *pl. 19. Copy*: L. – Reprinted and to be cited from Trans. roy. Soc. S. Afr. 3: 275-335, *pl. 19.* 1913.