References
For Echinodorus
Christenhusz, M.J.M., M.F. Fay, and J.W. Byng, eds. 2018. The global flora: a practical guide to vascular plant species of the world. Special edition, GLOVAP nomenclature Part 1, vol. 4: 1-155. Google Scholar
Haynes, R.R., and C.B. Hellquist. 2000a. Alismataceae. In Flora of North America Editorial Committee. 2000. Flora of North America north of Mexico. Volume 22, Magnoliophyta: Alismatidae, Arecidae, Commelinidae (in part), and Zingiberidae. Oxford Univ. Press, New York, NY. 352 pp. Google Scholar
Haynes, R.R., D.H. Les, and L.B. Holm-Nielsen. 1998a. Alismataceae. Pp. 11-18. In Kubitzki, K., ed. 1998b. The families and genera of vascular plants. IV. Flowering plants – Monocotyledons – Alismatanae and Commelinanae (except Gramineae). Springer, Berlin. 511 pp. Google Scholar
Lehtonen, S. 2008. An integrative approach to species delimitation in Echinodorus (Alismataceae) and the description of two new species. Kew Bulletin 63: 525-563. Google Scholar
Lehtonen, S. 2009. On the origin of Echinodorus grandiflorus (Alismataceae) in Florida (“E. floridanus”), and its estimated potential as an invasive species. Hydrobiologia 635: 107-1112. Google Scholar
Lehtonen, S., and L. Myllys. 2008. Cladistic analysis of Echinodorus (Alismataceae): simultaneous analysis of molecular and morphological data. Cladistics 24: 218-239. Google Scholar