*Trapa natans Linnaeus. Common name: European Water-chestnut, Water-caltrop, Four-spined Water-chestnut. Phenology: Jun-Sep. Habitat: Farm ponds and other stagnant or slow-moving water. Distribution: Native of Eurasia and Africa.
Origin/Endemic status: Eurasia
Synonymy ⓘ: = C, F, FNA10, G, K1, K3, K4, NE, NY, Pa, Va; = n/a – Tat; < Trapa natans L. – Lin et al (2013)
Links to other floras: = Trapa natans - FNA10
Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL (taxonomic split from wetland indicator species)
- Eastern Mountains and Piedmont: OBL
- Northcentral & Northeast: OBL (taxonomic split from wetland indicator species)
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