Remarks | Lectotype: E. arvense Linnaeus (fide Farwell, Mem. New York Bot. Gard. 6: 464. 1916); N. L. Britton & A. Brown (Ill. Fl. N. U.S. ed. 2. 1: 39. 7 Jun 1913) cited E. fluviatile Linnaeus as the LT.; see a discussion on the LT. by Pichi Sermolli, Webbia 26: 179. 1971. |