Ceratophyllum echinatum A. Gray. Phenology: May-Sep. Habitat: Ponds, pools, slow-moving streams. Distribution: NL (Newfoundland) west to ON and n. MN, south to c. peninsular FL and e. TX; also in BC, WA, and OR.
Origin/Endemic status: Native
Synonymy ⓘ: = C, Can, F, FNA3, G, GrPl, Il, K4, Mi, NcTx, NS, NY, Pa, POWO, RAB, S, S13, Tn, Tx, Va, WH3, Les (1985), Les (1986), Les (1988a), Les (1988b), Les (1988c), Les (1989), Szalontai et al (2018); = Ceratophyllum submersum L. ssp. muricatum (Cham.) Wilmot-Dear var. echinatum (A.Gray) Wilmot-Dear — Wilmot-Dear (1985); = n/a — Tat; < Ceratophyllum muricatum Cham. — GW2. Basionym: Ceratophyllum echinatum A.Gray 1847
Links to other floras: = Ceratophyllum echinatum - FNA3
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Wetland Indicator Status:
- Atlantic and Gulf Coastal Plain: OBL
- Eastern Mountains and Piedmont: OBL
- Great Plains: OBL
- Midwest: OBL
- Northcentral & Northeast: OBL
Heliophily ⓘ: 8
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