> [!cite] BHL link: this entry starts at [page 712](https://www.biodiversitylibrary.org/page/33120843) of TL-2 Vol. I > Author links: [IPNI](https://www.ipni.org/a/18304-1) LSID 18304-1, [Wikidata](https://www.wikidata.org/wiki/Q5625930) QID Q5625930 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] > [!example] See also [[Dusén, Per Karl Hjalmar (Suppl.)|second entry]] for this author ### Author Dusén, Per Karl Hjalmar (1855-1926), Swedish botanist, palaeobotanist and explorer, originally civil engineer. **Abbreviated name**: *Dusén* \[standard form in IPNI: *Dusén*\] #### Herbarium, types and collections [[Collection S|S]], [[Collection S|S]]-PA (e.g. a large herbarium of bryophytes). – Duplicates of Dusén's numerous collections were widely distributed, under various titles (*Musci africani in Camerunia collecti*, 1890-1892; *Hepaticae africanae in Camerunia collectae, *1890-1892; *Musci chilensis, Musci patagonici*, 1896-1897; *Plantae brasiliensis in civitate Paraná collectae, *1903-1904; *Plantae patagoniae e territorio Sta. Cruz reportatae*, 1904-1905; *Plantae vasculares e Patagonia orientali reportatae*, 1904; *id. e territorio Sta. Cruz reportatae* 1904-1905; *Fungi camerunenses*, 1891-1892). For duplicates (many of these series were/are at [[Collection B|B]]) see IH. *Ref*.: IH 2: 173. - Urban, Gesch. Berlin-Dahlem 275, 286, 298, 341-342. - Hepper and Neate, Plant coll. W. Afr. 27. 1971. #### Bibliography and biography Andrews p. 256; Barnhart 1: 486; BM 1: 497, 6: 287; Bossert p. 110; CSP 14: 747; IF p. 693; KR p. 148-149; Quenstedt p. 123. - Wittrock, Acta Horti Berg. 3(2): 35. 1903, 3(3): *pl. 111.* 1905 (portr.) - Harms, Z. f. Sukkul. 3: 115-116. 1917. - Sampaio, Arch. Mus. nac. Rio de Janeiro 22: 42-47. 1919. - Arnell, The bryologist 29: 57-58. Sep 1926. - Birger, Sv. bot. Tidskr. 20: 77-85. 1926 (bibl., portr.) - Birger, Ber. deut. bot. Ges. 44: (81)-(87). 1927 (portr.) - Angely, Bol. Inpabo 1-17. 1955. #### Eponymy *Dusenia* V. F. Brotherus (1894); *Dusenia* O. Hoffmann (1900); *Duseniella *V. F. Brotherus (1906); *Duseniella* K. M. Schumann (1902). #### Handwriting Bull. Inpabo 1955, p. 17.