@book{bhlpg5146366, title = {Botanical abstracts }, volume = {5-6. 1920-1921}, url = {https://www.biodiversitylibrary.org/page/5146366}, publisher = {Williams & Wilkins Co}, author = {Board of Control of Botanical Abstracts. }, year = {1920}, pages = {Page 53}, } @book{bhlpg33502433, title = {An enumeration of Philippine flowering plants }, volume = {v.3}, url = {https://www.biodiversitylibrary.org/page/33502433}, publisher = {Bureau of Printing}, author = {Merrill, Elmer D. (Elmer Drew), 1876 -1956}, year = {1922}, pages = {Page 19}, } @book{bhlpg768813, title = {Leaflets of Philippine botany }, volume = {v.8(1915-1919)}, url = {https://www.biodiversitylibrary.org/page/768813}, publisher = {Oriental Printing Co}, author = {}, year = {1915-1919}, pages = {Page 3112}, } @book{bhlpg768782, title = {Leaflets of Philippine botany }, volume = {v.8(1915-1919)}, url = {https://www.biodiversitylibrary.org/page/768782}, publisher = {Oriental Printing Co}, author = {}, year = {1915-1919}, pages = {Page 3080}, }