@book{bhlpg43075658, title = {Inventory of seeds and plants imported }, volume = {no.61-70 (1922-1923)}, url = {https://www.biodiversitylibrary.org/page/43075658}, publisher = {G.P.O}, author = {United States. Bureau of Plant Industry. }, year = {1921}, pages = {Page 62}, } @book{bhlpg3404068, title = {Inventory of seeds and plants imported }, volume = {no.62-73 (1923-1924)}, url = {https://www.biodiversitylibrary.org/page/3404068}, publisher = {G.P.O}, author = {United States. Bureau of Plant Industry. }, year = {1923}, pages = {Page 62}, } @book{bhlpg37847484, title = {The trees of Great Britain & Ireland }, volume = {v.7 (1913)}, url = {https://www.biodiversitylibrary.org/page/37847484}, publisher = {Priv. Print}, author = {Elwes, Henry John, 1846 -1922}, year = {1913}, } @book{bhlpg20820161, title = {The trees of Great Britain & Ireland }, volume = {7}, url = {https://www.biodiversitylibrary.org/page/20820161}, publisher = {Priv. print}, author = {Elwes, Henry John, 1846 -1922}, year = {1906}, pages = {Page 1843}, } @book{bhlpg4415604, title = {The University of Kansas science bulletin }, volume = {v.33 (1949-1950)}, url = {https://www.biodiversitylibrary.org/page/4415604}, publisher = {University of Kansas}, author = {University of Kansas. Museum of Natural History. }, year = {1949}, pages = {Page 50}, } @book{bhlpg4415574, title = {The University of Kansas science bulletin }, volume = {v.33 (1949-1950)}, url = {https://www.biodiversitylibrary.org/page/4415574}, publisher = {University of Kansas}, author = {University of Kansas. Museum of Natural History. }, year = {1949}, pages = {Page 41}, }