Title: Species and varieties
First published: 1905
Subjects: Edible Plants, Evolution, Evolution (Biology), Hybridization, Hybridization, Vegetable, Mutation, Plant hybridization, Plant mutation, Plants, Plants, Edible, Variation, Vegetable Hybridization, Genetic Variation, Biological Evolution, Mutation (biology), Botany, Research
LC classification: QK981 .V75 1988