Equisetum -LRB- -RRB- MISC@1 , NUMBER@1 -- NUMBER@2 is the only living genus in the Equisetaceae , a family of vascular plants that reproduce by spores rather than seeds .

Equisetum -LRB- also horsetails or scouring rushes -RRB- , is a genus of vascular plants that reproduce by spores and not by seeds .
