Echinodorus rostratus var. lanceolatus Engelm. ex S.Watson & Coult. variety synonym

Echinodorus rostratus (Nutt.) Engelm. species heterotypic synonym

Echinodorus natans Bubani species accepted

Echinodorus floribundus Seub. ex Warm. species accepted

Echinodorus ×pseudohorizontalis Rataj species doubtful

Echinodorus gabrielae Rataj species accepted

Echinodorus ×maculatus Somogyi species doubtful

Echinodorus spec (Linnaeus, 1753) Griseb. species accepted

Alisma berteroi Spreng. species synonym

Alisma berteroanum Balb. ex Schult. & Schult.f. species synonym

Alisma rostratum Nutt. species synonym

Alisma macrophyllum var. minus Seub. variety synonym

Alisma sprengelii Rich. ex Kunth species synonym

Echinodorus rostratus (Nutt.) Engelm. ex A.Gray species synonym

Echinodorus rostratus var. lanceolatus Engelm. variety homotypic synonym

Echinodorus ×praegeri Glück species doubtful

Echinodorus berteroi var. lanceolatus (Engelm. ex S.Watson & Coult.) Fernald variety synonym

×Alismodorus muretii H.R.Wehrh. species synonym

Echinodorus ×gabrielii Rataj species doubtful

Echinodorus ×schlueteri Rataj species doubtful

Echinodorus berteroi (Spreng.) Fassett species accepted

Echinodorus rostratus f. lanceolatus (Engelm. ex S.Watson & Coult.) Fernald form synonym

Echinodorus patagonicus Speg. species synonym

Echinodorus berteroi var. patagonicus (Speg.) Rataj variety synonym

Sagittaria rostrata (Nutt.) Kuntze species synonym

Echinodorus cordifolius f. lanceolatus (Engelm. ex S.Watson & Coult.) Fernald form synonym

Echinodorus longilineatus Rataj species synonym

Echinodorus berteroi var. lanceolatus (Engelm. ex S.Watson & J.M.Coult.) Fassett variety synonym

Echinodorus ×multiflorus Rataj species doubtful

Echinodorus ×opacus Rataj species synonym

Echinodorus ×barthii H.Mühlberg species doubtful

Echinodorus ×portoalegrensis Rataj species doubtful

Echinodorus berteroi subsp. patagonicus (Speg.) Rataj subspecies synonym

Echinodorus cordifolius var. lanceolatus (Engelm. ex S.Watson & Coult.) Mack. & Bush variety synonym

Echinodorus berteroi var. berteroi variety synonym

Echinodorus subulatus Griseb., 1866 species accepted

Alisma sprengelii Rich. species homotypic synonym