@book{bhlitem56542, title = {The mutation theory; experiments and observations on the origin of species in the vegetable kingdom }, volume = {2}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/56542}, note = {https://www.biodiversitylibrary.org/bibliography/17297}, publisher = {Chicago, Open Court Pub. Co, 1909-10}, author = {Vries, Hugo de, and Darbishire, A. D. (Arthur Dukinfield), and Farmer, J. B. (John Bretland),}, year = {}, pages = {716}, keywords = {Evolution|Plant hybridization|Plants|Variation}, }