Jime Duke books & textbook
Wildfower Journal of the National Wildflower Research Center: Impasse in Wildflower Seed Production; White Teeth and White Flowers (Sanguinaria Canadensis); Water Gardening for Wildlife; Wet Meadow Restoration (Vol. 6 No. 1 Spring/Summer 1993)
Jim Wilson Jime Duke Dana Limpert W.F. Mahler Thomas J. Murn
National Wildflower Research Center /1993T Journal
