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 Rosales Bercht. & J.Presl (1820)
           Family Leguminosae Juss. (1789), nom. cons. - legumes
             Genus Trifolium L. (1753) - clover
               01 Trifolium campestre Schreber - acker klee
               02 Trifolium micranthum Viv. - lesser suckling clover
               03 Trifolium dubium Sibth.
               04 Trifolium ornithopodioides L. - birdsfoot fenugreek
               05 Trifolium subterraneum L. - sub clover
               06 Trifolium repens L.
               07 Trifolium fragiferum L. - Erdbeer Klee
               08 Trifolium incarnatum L. - crimson clover
               09 Trifolium diffusum Ehrh.
               10 Trifolium alexandrinum L. - Alexandriner Klee
               11 Trifolium pratense L. - red clover
               12 Trifolium medium L. - zigzag clover
               13 Trifolium striatum L. - knotted clover
               14 Trifolium scabrum L. - rough clover
               15 Trifolium arvense L. - acker klee
               16 Trifolium hybridum L. - alsike
               17 Trifolium resupinatum L. - Persian clover