Glossary of botanical terms commonly used in range researchWilliam A. Dayton · First published 1931 · Latest edition 1950Open the Tome
Preliminary treatment of Umbelliferae, Washington-Baltimore floraWilliam A. Dayton, Conference on District Flora (Washington, D.C.) · First published 1942Open the Tome
Standardized Plant Names [Second Edition]Harlan P. Kelsey and William A. Dayton · First published 1942Open the Tome
![Cover of Standardized Plant Names [Second Edition]](https://covers.openlibrary.org/b/id/15068597-M.jpg)
