by Nels R. Lersten , Charles R. Gunn , United States. Agricultural Research Service
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Comparative morphology of the lens on le...
Flowering Plant Embryology
Anatomical and chromosomal observations ...
The morphology and toxicology of plant s...
Hairy vetch (Vicia villosa)
Scarlet vetch (Vicia fulgens)
Vetches
Samuel Vetch
The book of vetch
Management and winter hardiness of hairy...