Horticultural Research Institute
(research for the advancement of the nursery industry)
1250 I Street, N.W. Suite 500
Washington D.C. 20005
International Plant Propagator's Society
Center for Urban Horticulture
University of Washington, GF-15
Seattle WA 98195
International Society of Arborculture
P.O. Box GG
6 Dunlap Court
Savoy Illinois 61874-9902
217-355-9681
217-355-9516
Mycology
Plant Genetics and Breeding
Plant Pathology
American Phytopathological Society
3340 Pilot Knob Road
St. Paul, Minnesota 55121-2097
tel. 612-454-7250 or 1-800-328-7560 (outside Minnesota)
fax: 612-454-0766
Telex: 6502439657 (MCI/WUI)
email: aps@scisoc.org
