Pollen morphology of 14 taxa, 12 taxa of the genus Onobrychis Adans. and two taxa of the genus Hedysarum L., distributed in Bulgaria, was studied with light and electron microscopy. The pollen is ...
Journal of the Kansas Entomological Society, Vol. 79, No. 3 (Jul., 2006), pp. 254-260 (7 pages) A 3 yr survey of the bee associates of flowering accessions of Astragalus and Onobrychis species was ...
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