@book{bhlpg33609234, title = {Beihefte zum botanischen Centralblatt }, volume = {Bd.1-2 (1891-1892)}, url = {https://www.biodiversitylibrary.org/page/33609234}, publisher = {Verlag von Gebrüder Gotlhelft}, author = {}, year = {1891}, pages = {Page 136}, } @book{bhlpg42832333, title = {Beihefte zum Botanischen Centralblatt Abteilung B Systematik, Pflanzengeographie, angewandte Botanik, etc}, volume = {v.2(1892)}, url = {https://www.biodiversitylibrary.org/page/42832333}, publisher = {Verlag von C. Heinrich}, author = {}, year = {1892}, pages = {Page 136}, } @book{bhlpg199574, title = {Botanische Jahrbücher fur Systematik, Pflanzengeschichte und Pflanzengeographie }, volume = {Bd.11 (1890)}, url = {https://www.biodiversitylibrary.org/page/199574}, publisher = {Schweizerbart [etc.]}, author = {Engler, Adolf, 1844 -1930}, year = {1890}, pages = {Page 37}, } @book{bhlpg2040866, title = {Just's Botanischer Jahresbericht }, volume = {Jahrg.16:Abt.2 (1888)}, url = {https://www.biodiversitylibrary.org/page/2040866}, publisher = {Gebruder Borntraeger}, author = {Just, Johann Leopold, 1841 -1891}, year = {1888}, pages = {Page 198}, }