@book{bhlpg42414354, title = {Index Kewensis plantarum phanerogamarum. nomina et synonyma omnium generum et specierum ab initio anni MDCCCCXXXVI usque ad finem anni MDCCCCXL nonnulla etiam antea edita complectens Supplementum decimum }, volume = {Suppl. 10}, url = {https://www.biodiversitylibrary.org/page/42414354}, publisher = {e prelo Clarendoniano}, author = {Royal Botanic Gardens, Kew. }, year = {1947}, pages = {Page 69}, } @book{bhlpg22004602, title = {Das Pflanzenreich :regni vegetablilis conspectus }, volume = {Heft 101 (1936)}, url = {https://www.biodiversitylibrary.org/page/22004602}, publisher = {W. Engelmann}, author = {Engler, Adolf, 1844 -1930}, year = {1936}, pages = {Page 573}, }