@book{bhlpg383600, title = {Contributions from the United States National Herbarium }, volume = {v.30 (1957)}, url = {https://www.biodiversitylibrary.org/page/383600}, publisher = {Smithsonian Institution Press}, author = {United States. National Herbarium. }, year = {1957}, pages = {Page 117}, } @book{bhlpg28766708, title = {Gayana Botánica}, volume = {v.46:no.3-4 (1989)}, url = {https://www.biodiversitylibrary.org/page/28766708}, publisher = {Instituto Central de Biología, Universidad de Concepción}, author = {Universidad de Concepción. Instituto Central de Biología. }, year = {1989}, pages = {Page 207}, }