@book{bhlitem20094, title = {Flora of Colorado }, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/20094}, note = {https://www.biodiversitylibrary.org/bibliography/2486}, publisher = {Fort Collins, Col, Experiment Station, 1906}, author = {Rydberg, Per Axel,}, year = {1906}, pages = {480}, keywords = {Botany|Colorado}, }