References
Levy, F. 2021. Evaluation of the taxonomy of Phacelia purshii (Hydrophyllaceae). J. Torrey Bot. Soc. 148(1): 1-16. Google Scholar
Levy, F. 2021. Evaluation of the taxonomy of Phacelia purshii (Hydrophyllaceae). J. Torrey Bot. Soc. 148(1): 1-16. Google Scholar