@book{bhlpg2638887, title = {Fieldiana Botany}, volume = {n.s. no.21 (1989)}, url = {https://www.biodiversitylibrary.org/page/2638887}, publisher = {Chicago Natural History Museum}, author = {Field Museum of Natural History. }, year = {1989}, pages = {Page 100}, } @book{bhlpg40812061, title = {Reading Naturalist. Reading }, volume = {No.50}, url = {https://www.biodiversitylibrary.org/page/40812061}, publisher = {}, author = {Reading Natural History Society. }, year = {}, pages = {Page 22}, }