Echinodorus paniculatus Echinodorus paniculatus Micheli in A. DC. & C. DC., Monogr. Phan. 3: 51. 1881 sec. B. Ståhl & al. 2009Lectotype (designated by Rataj, Bull. Jard. Bot. Natl. Belg. 38: 405. 19681): Ro. Schomburgk add. ser. 220.S ()1. Rataj, Bull. Jard. Bot. Natl. Belg. 38: 405. 1968