Is Birdsfoot Trefoil Invasive?
Is Birdsfoot Trefoil Invasive? Birdsfoot trefoil is an invasive species. It should be reported. Birdsfoot trefoil is found in prairies and open areas, such as roadsides. It forms dense mats, choking and shading out most other vegetation. Does Birdsfoot trefoil spread? This spreading native perennial is normally found in grasslands. It has bluish-green, divided leaves.