> [!cite] BHL link: this entry starts at [page 30](https://www.biodiversitylibrary.org/page/33120161) of TL-2 Vol. I
> Author links: [IPNI](https://www.ipni.org/a/148-1) LSID 148-1, [Wikidata](https://www.wikidata.org/wiki/Q21505081) QID Q21505081
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
> [!example] See also [[Allen, Guy Oldfield (Suppl.)|second entry]] for this author
### Author
Allen, Guy Oldfield (1883-1963), British algologist.
**Abbreviated name**: *G.O. Allen* \[standard form in IPNI: *G.O.Allen*\]
#### Herbarium and types
[[Collection BM|BM]]. – Further material of Charophyta from India in [[Collection CGE|CGE]], [[Collection FH|FH]], [[Collection K|K]], [[Collection MO|MO]].
*Exsiccatae*:
1. *Charophyta indica* (fasc. 1, nos. 1-14, 1927), sets at [[Collection BM|BM]], [[Collection E|E]] and [[Collection FH|FH]], and possibly at [[Collection CGE|CGE]] and [[Collection MO|MO]]; and
2. *British Charophyta* (slide series 1, nos. 1-24, 1949), set at [[Collection BM|BM]]. Duplicates of especially Indian species were also distributed with labels "Ex Herb. G. O. Allen."
*Ref*.: IH 1(ed. 6): 355, 2: 32.
- Wood and Imahori, Revision Characeae 1: 787. 1965.
- Sayre, Mem. New York Bot. Gard. 19(1): 59. 1969.
- Koster, Taxon 18: 549. 1969.
- Hedge and Lamond, Index coll. Edinburgh 53. 1970.
#### Bibliography and biography
Kew 1: 40.
- Wood, Review algol. ser. 2. 7: 219-222. 1964 (portr., bibl.)
- Kundu, Taxon 14: 206-207. 1965.
- Wood and Imahori, Revision Characeae 1: 792. 1965 (bibl.)
#### Eponymy
Vide infra, sub J. F. Allen.