[plants] Haeckel (1866) - plants vascular plants see Phylum Tracheophyta Sinnott ex Caval.-Sm. (1998) euphyllophytes see Clade Euphyllophyta Lecointre & Le Guyader 2006 [Cantino & Donoghue 2020] Spermatophyta Britton & Brown 1896 [Crane & Kenrick 1997], nom. cl. inval. - seed plants see Clade Spermatophyta Britton & Brown 1896 [Cantino, Doyle & Donoghue 2020] Class Magnoliopsida Brongn. (1843) Monocotyledons see Superorder Lilianae Takht. (1967) Order Alismatales R.Br. ex Bercht. & J.Presl (1820) Family Hydrocharitaceae Juss. (1789), nom. cons. - tape-grass family Genus Appertiella C.D.K. Cook & L. Triest, in J.J. Symoens et al. (1982)