Elodea schweinitzii Casp. (1857:46)
Schweinitz’s waterweed
Taxonomy & Nomenclature
Considered a synonym of E. canadensis by (Humphreys et al., 2019; POWO, 2023)
Conservation Status
Extinct (Knapp et al., 2021; Albani Rocchetti et al., 2022) or Invalid (synonym of E. canadensis) (Humphreys et al., 2019; POWO, 2023)
Last record: 1832 (Knapp et al., 2021)
Distribution
New York & Philadelphia, USA
Biology & Ecology
Hypodigm
Media
References
Albani Rocchetti, Giulia, Carta, Angelino, Mondoni, Andrea, Godefroid, Sandrine, Davis, Charles C., Caneva, Giulia, Albrecht, Matthew A., Alvarado, Karla, Bijmoer, Roxali, Borosova, Renata, Bräuchler, Christian, Breman, Elinor, Briggs, Marie, Buord, Stephane, Cave, Lynette H., Da Silva, Nílber Gonçalves, Davey, Alexandra H., Davies, Rachael M., Dickie, John B., Fabillo, Melodina, Fleischmann, Andreas, Franks, Andrew, Hall, Geoffrey, Kantvilas, Gintaras, Klak, Cornelia, Liu, Udayangani, Medina, Leopoldo, Reinhammar, Lars Gunnar, Sebola, Ramagwai J., Schönberger, Ines, Sweeney, Patrick, Voglmayr, Hermann, White, Adam, Wieringa, Jan J., Zippel, Elke Zippel and Abeli, Thomas. (2022). Selecting the best candidates for resurrecting extinct-in-the-wild plants from herbaria. Nature Plants 8: 1385-1393. https://doi.org/10.1038/s41477-022-01296-7 [Supplementary Tables S1-S6]
Ayensu, E. S. and Defilipps, R. A. (1978). Endangered and Threatened Plants of the United States: 1-403. Smithsonian Institution and WWF-US, Washington DC.
Cook, C. D. K. and Urmi-König, K. (1985). A revision of the genus Elodea (Hydrocharitaceae). Aquatic Bot. 21: 111-156.
Fernald, M. L. (1950). Gray's manual of botany, eighth (centennial) edition. Corrected printing, 1970. D. Van Nostrand Co., New York, N.Y. 1632 pp.
Flora of North America Editorial Committee. (2000). Flora of North America North of Mexico 22: 1-352. Oxford University Press, New York, Oxford.
Gleason, H. A. and Cronquist, A. (1991). Manual of vascular plants of northeastern United States and adjacent Canada, second edition. New York Botanical Garden, Bronx, NY.
Hayens, R. R. (2000). Hydrocharitaceae In: Flora of North America Editorial Committee, eds. 1993+, Flora of North America North of Mexico. 19+ vols. New York and Oxford. Vol. 22, pp 225-255.
Humphreys, Aelys M., Govaerts, Rafaël, Ficinski, Sarah Z., Lughadha, Eimear Nic and Vorontsova, Maria S. (2019). Global dataset shows geography and life form predict modern plant extinction and rediscovery. Nature Ecology & Evolution 3: 1043-1047. https://doi.org/10.1038/s41559-019-0906-2 [Supplementary Dataset 1]
Knapp, Wesley M., Frances, Anne, Noss, Reed, Naczi, Robert F. C., Weakley, Alan, Gann, George D., Baldwin, Bruce G., Miller, James, McIntyre, Patrick, Mishler, Brent D., Moore, Gerry, Olmstead, Richard G., Strong, Anna, Kennedy, Kathryn, Heidel, Bonnie and Gluesenkamp, Daniel. (2021). Vascular plant extinction in the continental United States and Canada. Conservation Biology 35(1): 360-368. https://doi.org/10.1111/cobi.13621 [Supporting Information (Appendix S1)]
POWO. (2023). Elodea schweinitzii (Planch.) Casp. Plants of the World Online (online resource). Royal Botanic Gardens, Kew, United Kingdom. Available at: https://powo.science.kew.org/ [Accessed 18 November 2023]
Rhoads, A. F. and Block, T. A. (2007). The plants of Pennsylvania: an illustrated manual. Second edition. Univ. of Pennsylvania Press, Philadelphia. 1042 pp.
St. John, H. (1920). The genus Elodea in New England. Rhodora 22: 17-29.
Walter, Kerry S. and Gillett, Harriet J. (eds.). (1998). 1997 IUCN Red List of Threatened Plants. Compiled by the World Conservation Monitoring Centre. Gland, Switzerland & Cambridge, UK: IUCN – The World Conservation Union. lxiv + 862 pp.