@book{bhlpg33451149, title = {An enumeration of Philippine flowering plants }, volume = {v.1}, url = {https://www.biodiversitylibrary.org/page/33451149}, publisher = {Bureau of Printing}, author = {Merrill, Elmer D. (Elmer Drew), 1876 -1956}, year = {1922}, pages = {Page 11}, } @book{bhlpg5730521, title = {Just's Botanischer Jahresbericht }, volume = {Jahrg.38:Abt.2 (1910)}, url = {https://www.biodiversitylibrary.org/page/5730521}, publisher = {Gebruder Borntraeger}, author = {Just, Johann Leopold, 1841 -1891}, year = {1910}, pages = {Page 58}, } @book{bhlpg51607832, title = {Webbia }, volume = {v.3 (1910)}, url = {https://www.biodiversitylibrary.org/page/51607832}, publisher = {Istituto botanico dell'Università di Firenze}, author = {Webb, Philip Barker, 1793 -1854}, year = {1910}, pages = {Page 20}, }