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 Centrospermae
           Family Caryophyllaceae Juss. (1789), nom. cons. - pink family
             Genus Sagina L. (1753)
               Sagina apetala Ard. (1764) - annual pearlwort
                 1 Sagina apetala subsp. apetala Ard.
                 2 Sagina apetala subsp. erecta (Hornem.) F.Herm.