Evaluating Relationships among Floating Aquatic Monocots: a New Species of Cobbania (Araceae) from the Upper Maastrichtian of South DakotaDOI: info:10.1086/688285v. 177No. 8University of Chicago Press706–725
Stockey, Ruth A., Rothwell, Gar W., and Johnson, Kirk R. 2016. "Evaluating Relationships among Floating Aquatic Monocots: a New Species of Cobbania (Araceae) from the Upper Maastrichtian of South Dakota." International Journal of Plant Sciences, 177, (8) 706–725. https://doi.org/10.1086/688285.