Honey plants of North America
(north of Mexico)
A guide to the best locations for beekeeping in the United States
Author: JOHN H. LOVELL
The pollen and honey plants of Wisconsin:
bees, and their relationship
Author: Carl William Aeppler
Honey Plants Manual
A Practical Field Handbook for Identifying
Author: Harvey B. Lovell, Ph.D.
official organ of the Wisconsin state horticultural society.