University of Iowa / Plant Taxonomists / American Institute of Biological Sciences / Arnold Arboretum / /
Organization
the University of Iowa / Extension Service / Botanical Society of America / International Association of Plant Taxonomists / Iowa Academy of Science and the Nature Conservancv / American Society of Plant Taxonomists / Society of Sigma Xi / American Institute of Biological Sciences / /
Person
PAUL D. SORENSEN / T. E. Melchert / Horticultural Taxonomist / /