Fall Knotwed, Spurry Knotweed
Polygonum spergulariaeforme
Synonyms: Polygonum douglasii ssp. spergulariiforme, Polygonum spergulariaeforme
- ![Fall Knotwed, Spurry Knotweed: Polygonum spergulariaeforme (Synonyms: Polygonum douglasii ssp. spergulariiforme, Polygonum spergulariaeforme)](spergulariiforme/spergulariiforme10-14-2019c.jpg)
![Fall Knotwed, Spurry Knotweed: Polygonum spergulariaeforme (Synonyms: Polygonum douglasii ssp. spergulariiforme, Polygonum spergulariaeforme)](spergulariiforme/spergulariiforme10-14-2019b.jpg)
- ![Fall Knotwed, Spurry Knotweed: Polygonum spergulariaeforme (Synonyms: Polygonum douglasii ssp. spergulariiforme, Polygonum spergulariaeforme)](spergulariiforme/spergulariiforme10-14-2019e.jpg)
Fall knotweed observed at the southwest corner of the summit of Grizzly Peak, Cascade-Siskiyou National Monument.......October 14, 2019.
Paul Slichter