> [!cite] BHL link: this entry starts at [page 197](https://www.biodiversitylibrary.org/page/33189668) of TL-2 Vol. IV > Author links: [IPNI](https://www.ipni.org/a/7572-1) LSID 7572-1, [Wikidata](https://www.wikidata.org/wiki/Q21522885) QID Q21522885 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Petersen, Niels Frederick (1877-1940), Danish-born American botanist; grew up in Plainview, Nebraska; M.S. Univ. Nebraska 1911, instructor of botany at Baton Rouge 1909-1913; in Panama 1914; at Univ. of Chicago 1915-1916; at Nevada Experiment Station 1917-1920; from 1921 at Nebraska Experiment Station; later settling again at Plainview, Nebr. **Abbreviated name**: *N Petersen* \[standard form in IPNI: *N.Petersen*\] #### Herbarium and types Material from Panama at [[Collection G|G]] and [[Collection US|US]], from South Dakota, Nebraska and Florida at [[Collection NY|NY]], from Nevada at [[Collection NESH|NESH]]. #### Bibliography and biography Barnhart 3: 74; BL 1: 195, 312; Bossert p. 307 (b. 22 Apr 1877; d. 28 Oct 1840); Hirsch p. 230; IH 2: (in press); Tucker 1: 551. #### Biofile - Dwyer, J.D., Taxon 22: 563. 1973 (Panama coll. in Pittier's herb. at G). - Reifschneider, O., Biogr. Nevada Bot. 1844-1963, p. 104-105. 1964 (portr.). ### Publications ##### n.7765. Flora of Nebraska **Title** *Flora of Nebraska*. A list of the conifers and flowering plants of the state with keys for their determination... \[Lincoln, Nebraska (published by the author) 1912\]. Oct. **Abbreviated title**: *Fl. Nebraska*. **Notes** *Ed. 1*: 1912 (p. \[iii\]: Sep 1911, copyrighted 1912, TBC 9 Sep 1912; Nat. Nov. Oct(2) 1912), p. \[i-iii\], \[1\]-217. *Copies*: G, MO, NY, USDA. *Ed. 2*: s.d. (PH rd. 11 Nov 1915), p. \[i-iii\], \[1\]-217. *Copies*: BR, PH. – "Second edition. Plainview, Nebraska published by the author". *Ed. 3*: 1923 (p. \[iii\]: 1922), p. \[i-iii\], \[1\]-220. *Copies*: NY, US, USDA. – "Third edition" \[Lincoln, Nebr.\] (published by the author) \[s.d.\]. Oct. *Ref*.: Stieber, M.T., Bull. Hunt Inst. bot. Docum. Fall/Winter 1980: 4-5 (on *Fl. - Nebraska*).