Flora van Nederland Haeckel (1866) - plants
   Division Spermatophyta Goebel (1882) see Phylum Spermatophyta Goebel (1882)
     Subdivision Angiospermae J. Lindley (1830) see Infraphylum Angiospermae auct.
       Class Dicotyledones see Class Magnoliopsida Brongn. (1843)
         Order Umbelliflorae
           Family Umbelliferae Juss. (1789), nom. cons. see Family Apiaceae Lindl. (1836), nom. cons.
             Genus Apium L. (1753)
               Apium inundatum (L.) Rchb. f.