Polygonum douglasii var. johnstonii Munz
Polygonum douglasii var. johnstonii Munz is a synonym sensu FNA Ed. Comm., 2005 of:
Polygonum sawatchense Small subsp. sawatchense, an accepted subspecies name sensu FNA Ed. Comm., 2005.
Polygonum douglasii var. johnstonii Munz is a synonym sensu FNA Ed. Comm., 2005 of:
Polygonum sawatchense Small subsp. sawatchense, an accepted subspecies name sensu FNA Ed. Comm., 2005.