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 Monocotyledones see Class Liliopsida Batsch (1802)
         Order Liliiflorae
           Family Iridaceae Juss. (1789), nom. cons. - Iris family
             Genus Crocus L. (1753)
               1 Crocus flavus Weston (1771) - yellow crocus
               2 Crocus vernus (L.) Hill (1765) - dutch crocus
               3 Crocus tommasinianus Herbert