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paul a fryxell
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Pavonia Cavanilles (Malvaceae) (Flora Neotropica Monograph 76)
Paul A. Fryxell · The New York Botanical Garden Press
284 sayfa · 1999
Malvaceae / Classification / Identification
Taxonomic research and plant germplasm collections
Paul A. Fryxell · Available from the Science and Education Administration, Agronomy Field Laboratory, Texas A&M University
Sayfa sayısı yok · 1979
Botany / Classification / Plant Germplasm resources / Plants
Germpool utilization
Paul A. Fryxell · U.S. Dept. of Agriculture, Agricultural Research Service, Southern Region
Sayfa sayısı yok · 1976
Breeding / Cotton / Plant Gene banks
A nomenclator of Gossypium
Paul A. Fryxell · U.S. Dept. of Agriculture, Agricultural Research Service
114 sayfa · 1976
Cotton / Nomenclature