> [!cite] BHL link: this entry starts at [page 508](https://www.biodiversitylibrary.org/page/33120639) of TL-2 Vol. I
> Author links: [IPNI](https://www.ipni.org/a/12382-1) LSID 12382-1, [Wikidata](https://www.wikidata.org/wiki/Q7173297) QID Q7173297
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Clausen, Peter (*fl*. 1834-1843), Danish collector in Brazil.
**Abbreviated name**: *Clausen* \[standard form in IPNI: *Clausen*\]
#### Herbarium and types
Sets of Clausen's specimens in many herbaria. His *Plantae brasiliensis* were not a regularly dated and numbered series of exsiccatae. The name appears as Claussen on the labels; his original name was Peter Clausen; in Brazil called Pedro Claudio or Pedro Dinamarquez.
*Ref*.: IH 2: 129.
- Anon., Hist. Coll. BMNH 1: 278.
- Candolle, Phytographie 403. 1880.
- Clokie, Account herbaria Oxford 146. 1964.
- Miller, Taxon 19: 519. 1970.
#### Bibliography and biography
Barnhart 1: 354; CSP 1: 947; Quenstedt p. 84.
- Warming, Bot. Tidskr. 12: 125-126. 1880/81.
- Warming, Lagoa Santa 488. 1892.
- Urban, Fl. bras. 1(1): 12-13. 1906.
- Christensen, Danske Bot. Hist. 1: 247-250, 2: 209-210. 1924.