The drug plants of Illinois.
By: Leo R. Tehon ; drawings by Kay H. Wadsworth
Contributors: Illinois. Natural History Survey Division
Series: Circular / Natural History Survey Division, Illinois -- 44
Publisher: Natural History Survey Division
Published: 1951
Place of publication: Urbana
Language: eng
Number of pages: 135
Subjects: Botany, Medical -- Illinois; Botany -- Illinois; Materia medica -- Illinois