@book{bhlpg62884055, title = {American fern journal }, volume = {v.108:no.3(2018)}, url = {https://www.biodiversitylibrary.org/page/62884055}, publisher = {American Fern Society}, author = {American Fern Society. }, year = {2018}, pages = {Page 84}, } @book{bhlpg48586399, title = {Journal of the Botanical Research Institute of Texas }, volume = {v.4:no.1(2010)}, url = {https://www.biodiversitylibrary.org/page/48586399}, publisher = {Botanical Research Institute of Texas}, author = {Botanical Research Institute of Texas. }, year = {2010}, pages = {Page 342}, } @book{bhlpg62337846, title = {Smithsonian contributions to botany }, volume = {no.112 (2021)}, url = {https://www.biodiversitylibrary.org/page/62337846}, publisher = {Smithsonian Institution Press}, author = {Smithsonian Institution }, year = {2021}, pages = {Page 293}, }