@book{bhlitem115606, title = {The different forms of flowers on plants of the same species }, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/115606}, note = {https://www.biodiversitylibrary.org/bibliography/54978}, publisher = {London, J. Murray, [1884]}, author = {Darwin, Charles,}, year = {}, pages = {420}, keywords = {Fertilization of plants|Plants|Variation|}, }