S. arvensis
S. arvensis may refer to: Sherardia arvensis, the field madder, a flowering plant species Sinapis arvensis, the wild mustard or charlock, a plant species Sonchus arvensis, the corn sow thistle, dindle, field sow thistle, gutweed, swine thistle, tree sow thistle or field sowthistle, a plant species Spergula arvensis, the corn spurry See also Arvensis (disambiguation)