Rumex tuberosus L.
NOT protected species in Bulgaria.
Perennial tuberous plant with stems 0,40-1 m long. Flowering May - August [Delipavlov et al., 2003].
In the next floristic regions: North-Eastern Bulgaria, The Danubian Plain, Stara Planina, The Pirin (southern), The Rhodopes (eastern and middle), Thracian Plane and The Tundzha Hilly Plane [Delipavlov et al., 2003].