Polygonum douglasii var. microspermum (Engelmann) Dorn
Polygonum douglasii var. microspermum (Engelmann) Dorn is a synonym sensu USDA NRCS, 2009+ of:
Polygonum engelmannii Greene, an accepted species name sensu FNA Ed. Comm., 2005.
Polygonum douglasii var. microspermum (Engelmann) Dorn is a synonym sensu USDA NRCS, 2009+ of:
Polygonum engelmannii Greene, an accepted species name sensu FNA Ed. Comm., 2005.