Polygonum douglasii Greene var. douglasii
Polygonum douglasii Greene var. douglasii is a synonym sensu TROPICOS of:
Polygonum douglasii Greene, an accepted species name sensu FNA Ed. Comm., 2005.
Polygonum douglasii Greene var. douglasii is a synonym sensu TROPICOS of:
Polygonum douglasii Greene, an accepted species name sensu FNA Ed. Comm., 2005.