Middleton, Beth A., Evelyn Anemaet, Tracy Elsey Quirk, und Nicholas P. Tippery. 2018. „Nymphoides Humboldtiana (Menyanthaceae) in Florida (U.S.A.) Verified by DNA Data“. Journal of the Botanical Research Institute of Texas 12 (1):257-63. https://doi.org/10.17348/jbrit.v12.i1.934.