Botany in a day : Thomas J. Elpel's herbal field guide to plant families /
[Thomas J. Elpel].
- 5th ed.
- Pony, Mont. : HOPS Press, 2004.
- vi, 221 p. : ill. ; 28 cm.
Includes bibliographical references (p. 207-209) and indexes.
9781892784155
99068343
Medicinal plants--United States--Identification. Botany--United States.