@book{bhlpg40576448, title = {Contributions from the United States National Herbarium }, volume = {v.55 (2007)}, url = {https://www.biodiversitylibrary.org/page/40576448}, publisher = {Smithsonian Institution Press}, author = {United States. National Herbarium. }, year = {2007}, pages = {Page 388}, } @book{bhlpg12875035, title = {Contributions from the University of Michigan Herbarium }, volume = {v.17 (1990)}, url = {https://www.biodiversitylibrary.org/page/12875035}, publisher = {University Herbarium, University of Michigan}, author = {University of Michigan. University Herbarium. }, year = {1990}, pages = {Page 36}, } @book{bhlpg12875033, title = {Contributions from the University of Michigan Herbarium }, volume = {v.17 (1990)}, url = {https://www.biodiversitylibrary.org/page/12875033}, publisher = {University Herbarium, University of Michigan}, author = {University of Michigan. University Herbarium. }, year = {1990}, pages = {Page 34}, } @book{bhlpg12874745, title = {Contributions from the University of Michigan Herbarium }, volume = {v.19 (1993)}, url = {https://www.biodiversitylibrary.org/page/12874745}, publisher = {University Herbarium, University of Michigan}, author = {University of Michigan. University Herbarium. }, year = {1993}, pages = {Page 343}, } @book{bhlpg62957018, title = {Index to plant chromosome numbers }, volume = {v. 58 1996}, url = {https://www.biodiversitylibrary.org/page/62957018}, publisher = {Missouri Botanical Garden}, author = {Missouri Botanical Garden. }, year = {1996}, pages = {Page 149}, }