@book{bhlitem59752, title = {The ferns of Great Britain }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/59752}, note = {https://www.biodiversitylibrary.org/bibliography/19893}, publisher = {London, J. E. Sowerby, 1855}, author = {Sowerby, John E. (John Edward), and Johnson, Charles,}, year = {}, pages = {198}, keywords = {Ferns|Great Britain|}, }