Cunningham's Encyclopedia of magical herbs1985
by Scott Cunningham
From the publisher:
Expanded and revised, this comprehensive guide features magical uses of over 400 herbs and plants from all parts of the world. With over 400,000 copies in print, this reference book is a must for all who perform natural magic. It features illustrations for easy identification of every herb, in addition to common names, use, and rulership.
— from OpenLibrary
6 editions at OpenLibrary