Poterium sanguisorba subsp. muricatum (Spach) Rouy

Poterium sanguisorba subsp. muricatum (Spach) Rouy is a synonym sensu FNA Ed. Comm., 2014 of:

Poterium sanguisorba var. polygamum (Waldstein & Kitaibel) Visiani, an accepted variety name sensu FNA Ed. Comm., 2014.