Polygonum pensylvanicum var. durum Stanford
Polygonum pensylvanicum var. durum Stanford is a synonym sensu FNA Ed. Comm., 2005 of:
Persicaria pensylvanica (Linnaeus) M. Gómez de la Maza, an accepted species name sensu FNA Ed. Comm., 2005.
Polygonum pensylvanicum var. durum Stanford is a synonym sensu FNA Ed. Comm., 2005 of:
Persicaria pensylvanica (Linnaeus) M. Gómez de la Maza, an accepted species name sensu FNA Ed. Comm., 2005.