@book{bhlitem52637, title = {A monograph of the North American Potentilleae }, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/52637}, note = {https://www.biodiversitylibrary.org/bibliography/15468}, publisher = {[Lancaster, Pa, Press of the New Era Print. Co.], 1898}, author = {Rydberg, Per Axel,}, year = {1898}, pages = {462}, keywords = {North America|Rosaceae|}, }