> [!cite] BHL link: this entry starts at [page 509](https://www.biodiversitylibrary.org/page/33333648) of TL-2 Vol. V
> Author links: [IPNI](https://www.ipni.org/a/9487-1) LSID 9487-1, [Wikidata](https://www.wikidata.org/wiki/Q21608670) QID Q21608670
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Senn, Harold Archie (1912-x), Canadian botanist; Dr. phil. Univ. Virginia 1937; natural research fellow in botany, Harvard from 1937-1938; Asst., Div. Bot., Dept. Agric. Ottawa 1938-1941, assoc. botanist 1941-1945, senior botanist from 1945.
**Abbreviated name**: *H. Senn* \[standard form in IPNI: *H.Senn*\]
#### Herbarium and types
[[Collection DAO|DAO]]; further material at [[Collection BR|BR]], [[Collection C|C]], [[Collection DPU|DPU]], [[Collection E|E]], [[Collection GB|GB]], [[Collection MO|MO]], [[Collection TRT|TRT]], [[Collection U|U]], [[Collection US|US]]. – *Letters* at [[Collection G|G]].
#### Bibliography and biography
Barnhart 3: 260 (b. 12 Jan 1912); Biol.-Dokum. 16: 8624; Bossert p. 360; IH 1 (ed. 1): 72, (ed. 2): 91, (ed. 3): 115, (ed. 6): 165, 342, (ed. 7): 342, 2: (files); Langman p. 693; PH 209; SIA 226-227 (HI 107).
#### Biofile
- Anon., World biography L-Z: 4304. 1948; Who's who Agric. Inst. Canada 185. 1948.
### Publications
##### n.11.677. Experimental data for a revision of
**Title**
*Experimental data for a revision of* the genus *Lathyrus*... Reprinted from the American Journal of Botany... 1938. Oct.
**Notes**
*Publ*.: Feb 1938, cover-t.p., p. 67-78. *Copy*: US. – Reprinted and to be cited from Amer. J. Bot. 25(2): 67-78. 1938.
##### n.11.678. Chromosome number relationships in the Leguminosae
**Title**
*Chromosome number relationships in the Leguminosae* \[Bibliographia genetica... 1938\]. Oct.
**Notes**
*Publ*.: 1938, p. 175-336. *Copies*: MO, USDA. – Reprinted and to be cited from Bibl. genet. 12: 175-336. 1938.
##### n.11.679. The North American species of Crotalaria
**Title**
*The North American species of Crotalaria*... Contribution from the Gray Herbarium of Harvard University cxxv. 1939.
**Notes**
*Publ*.: Aug 1939, p. \[i\], \[317\]-367. *Copy*: U. – Reprinted from Rhodora 41: 317-367. Aug 1939.