> [!cite] BHL link: this entry starts at [page 661](https://www.biodiversitylibrary.org/page/33212703) of TL-2 Vol. VI > Author links: [IPNI](https://www.ipni.org/a/11054-1) LSID 11054-1, [Wikidata](https://www.wikidata.org/wiki/Q21611404) QID Q21611404 > Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]] ### Author Van Dersal, William Richard (1907-x), American botanist and conservationist; B.A. Reed Coll. Portland Ore., 1929; MS Univ. Pittsburgh 1931, ib. Dr. phil. 1936; graduate assistant in botany Pittsburgh 1929-1934; with the U.S. Soil Conservation Service as forester 1938, biologist 1936-1942, principal admin, officer from 1942-1948; chief operations Pacific 1948-1953, administrator for management 1954-1972, consultant 1972-1974; dean Management College, Nat. grad. Univ. from 1974. **Abbreviated name**: *Van Dersal* \[standard form in IPNI: *Van Dersal*\] #### Herbarium and types Some material at [[Collection CM|CM]], [[Collection PENN|PENN]]. #### Bibliography and biography Barnhart 3: 423 (b. Apr 1907); BL 1: 160; Lenley p. 422. #### Biofile - Anon., Amer. men sci. eds. 6-14. 1938-1939; Brit. Mus. gen. cat. print. books 246: 312-313. 1964. - Frodin, D.G., Guide standard floras world no. 100. 1984. ### Publications ##### n.15.885. The blue-green algae of Pennsylvania **Title** *The blue-green algae of Pennsylvania*... Reprinted from Proceedings of the Pennsylvania Academy of Science... 1933. Oct. **Notes** *Publ*.: 1933, p. \[1\]-7. *Copy*: US. – Reprinted and to be cited from Proc. Penn. Acad. Sci. 7: 1-7. 1933. ##### n.15.886. Native woody plants of the United States **Title** *Native woody plants of the United States* their erosion-control and wildlife values... Washington (United States Government Printing Office) 1938. Oct. **Abbreviated title**: *Native woody pl. U.S.* **Notes** *Publ*.: Jun 1938, p. \[i\]-ii, 1-362, 2 maps, *pl. 1-44. Copies*: MO, NY, PH, US.