> [!cite] BHL link: this entry starts at [page 303](https://www.biodiversitylibrary.org/page/33068545) of TL-2 Vol. II
> Author links: [IPNI](https://www.ipni.org/a/4096-1) LSID 4096-1, [Wikidata](https://www.wikidata.org/wiki/Q5974173) QID Q5974173
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Hopkins, Lewis Sylvester (1872-1945), American botanist; high school teacher at Troy, Ohio, Manillon, Ohio, Pittsburgh, Pa., and Kent, Ohio.
**Abbreviated name**: *Hopk.* \[standard form in IPNI: *Hopkins*\]
#### Herbarium and types
Personal pteridophyte herbarium at [[Collection OS|OS]] (6.200; acquired 1944); further material at [[Collection BR|BR]], [[Collection NY|NY]].
*Ref*.: Stuckey and Wentz, Ohio J. Sci. 74(1): 23. 1974.
#### Bibliography and biography
Barnhart 2: 201; Hortus 3: 1195 ("L.S. Hopk."); IH 2: 285.
#### Eponymy
*Hopkinsia* W. V. Fitzgerald (1904) is dedicated to J. W. Hopkins, Australian politician and promotor of agricultural science.
### Publications
##### n.3029. The ferns of Allegheny County, Pennsylvania
**Title**
*The ferns of Allegheny County, Pennsylvania*, their haunts and habits and something of their folklore... Pittsburgh, Pennsylvania (Botanical Society of Western Pennsylvania) 1914. Oct. (size).
**Abbreviated title**: *Ferns Allegheny Co.*
**Notes**
*Publ*.: Aug 1914 (t.p.), frontisp., p. \[1\]-129. *Copy*: US. – Publication iii, Botanical Society of Western Pennsylvania.
*Ref*.: R.C.B., Amer. Fern J. 5(2): 54-58. 27 Mai 1915.