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World Checklist of Selected Plant Families (WCSP)

Sagittaria heterophylla f. fluitans (Engelm.) S.F.Blake, Rhodora 15: 159 (1913).

This name is a synonym.

Accepted Name: Sagittaria rigida Pursh, Fl. Amer. Sept. 2: 397 (1813).
Family: Alismataceae
Homotypic Names:

* Sagittaria heterophylla var. fluitans Engelm. in A.Gray, Manual, ed. 2: 439 (1856).

Sagittaria rigida f. fluitans (Engelm.) Fernald, Rhodora 38: 73 (1936).

* Basionym/Replaced Synonym

Original Compiler: R.Govaerts