Sagittaria variabilis var. latifolia (Willd.) Engelm., Manual (Gray), ed. 2. 439 (1856). BHL
- IPNI Life Sciences Identifier (LSID)
- Species Name
- Sagittaria variabilis Engelm. ex A.Gray, Manual (Gray) 461 (1848).
- Manual of the botany of the northern United States: including Virginia, Kentucky, and all east of the Mississippi: arranged according to the natural system. (The mosses and liverworts by Wm. S. Sullivant). Edition: 2nd ed. New York
- Family as entered in IPNI
A. Gray (preface xii) mentioned that Engelmann contributed the treatments of the 3 genera of Alismeae.