Scientific Name
Trapa natans L. (ITIS)
Common Name
Water chestnut, water nut, water caltrop
Native To
Eurasia and Africa (Hummel and Kiviat 2004)
Date of U.S. Introduction
1870s (Hummel and Kiviat 2004)
Means of Introduction
Ornamental (Hummel and Kiviat 2004)
Impact
Forms dense mats that displace native species and interfere with recreational activities (Hummel and Kiviat 2004)
Water chestnut, flowers
Credit
Photo by Leslie J. Mehrhoff; University of Connecticut
Source
Find more images
Distribution / Maps / Survey Status
All Resources
Selected Resources
The section below contains highly relevant resources for this species, organized by source.
Council or Task Force
Partnership
Federal Government
International Government
State and Local Government
Academic
Citations
Hummel, M., and E. Kiviat. 2004. Review of world literature on water chestnut with implications for management in North America. Journal of Aquatic Plant Management 42:17-28.
Integrated Taxonomic Information System. Trapa natans. [Accessed Sep 28, 2023].