@book{bhlpg31085801, title = {1997 IUCN red list of threatened plants }, volume = {1997}, url = {https://www.biodiversitylibrary.org/page/31085801}, publisher = {}, author = {}, year = {1997}, pages = {Page 442}, } @book{bhlpg41536983, title = {Journal of the Botanical Research Institute of Texas }, volume = {v.3:no.2(2009)}, url = {https://www.biodiversitylibrary.org/page/41536983}, publisher = {Botanical Research Institute of Texas}, author = {Botanical Research Institute of Texas. }, year = {2009}, pages = {Page 647}, } @book{bhlpg637825, title = {Rhodora }, volume = {v.73 (1971)}, url = {https://www.biodiversitylibrary.org/page/637825}, publisher = {New England Botanical Club [etc.]}, author = {Robinson, Benjamin Lincoln, 1864 -1935}, year = {1971}, pages = {Page 577}, } @book{bhlpg10010819, title = {SIDA, contributions to botany }, volume = {v.9 (1981-1982)}, url = {https://www.biodiversitylibrary.org/page/10010819}, publisher = {W. F. Mahler, etc.]}, author = {Mahler, William F. }, year = {1981-1982}, pages = {Page 183}, } @book{bhlpg31600113, title = {World Plant Conservation Bibliography }, volume = {1990}, url = {https://www.biodiversitylibrary.org/page/31600113}, publisher = {}, author = {}, year = {1990}, pages = {Page 503}, } @book{bhlpg31600180, title = {World Plant Conservation Bibliography }, volume = {1990}, url = {https://www.biodiversitylibrary.org/page/31600180}, publisher = {}, author = {}, year = {1990}, pages = {Page 570}, }