> [!cite] BHL link: this entry starts at [page 835](https://www.biodiversitylibrary.org/page/33355922) of TL-2 Vol. III > Author links: [IPNI](https://www.ipni.org/a/12716-1) LSID 12716-1, [Wikidata](https://www.wikidata.org/wiki/Q16945419) QID Q16945419 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Olsson-Seffer, Pehr Hjalmar (until 1903: P. H. Olsson) (1873-1911), Finnish botanist; high school teacher in Finland 1895-1899; travelled in Australia and Polynesia 1900-1902; migrated to the United States 1903; Dr. phil. Stanford 1904; professor at the San Francisco veterinary college 1905-1906; director of La Zacual Botanical station in Mexico 1906-1911; professor of botany at Mexican University; killed by Mexican revolutionaries 1911. **Abbreviated name**: *Olsson-Seffer* \[standard form in IPNI: *Olss.-Seff.*\] #### Herbarium and types Unknown. #### Bibliography and biography Barnhart 3: 29; BJI 2: 127; BL 2: 67, 697; Bossert p. 294; Collander p. 386-387; CSP 17: 614; Kew 4: 187; KR p. 564; Langman p. 552; Rehder 5: 634; Saelan p. 381-383; SO 2851. - Anon., Amer, men sci. 1906: 239. (b. 14 Sep 1873); Bot. Not. 1911: 134 (d.); Nat. Nov. 33: 232. 1911 (app. Mexico); Torreya 11: 123. 1911 (death in Mexico). - Elfving, F., Acta Soc. Fauna Fl. fenn. 50: 224. 1921. - Kneucker, A., Allg. bot. Z. 17: 96 (prof. bot. Mexic. Univ.), 128 (killed in railroad accident). 1911. - Michieli, A. A., Boll. Soc. geogr. Ital. ser. 5. 2: 545-547. 1913 (obit.). - Thomas, J. H., Contr. Dudley Herb. 5(6): 159. 1961. - Wittrock, V. B., Acta Horti Berg. 3(3): 199. *pl. 149.* 1905 (portr.). ### Publications ##### n.7080. Genesis and development of sand formations on marine coasts... **Title** *Genesis and development of sand formations on marine coasts...*the sand strand flora of marine coasts... Rock Island, Ill. (Augustana Book Concern, printers) 1910. Oct. **Abbreviated title**: *Genesis* *sand format.* **Notes** *Publ*.: 1910, p. \[1\]-183. *Copy*: FI.