Polygonum douglasii var. douglasii – Douglas’ Knotweed
Scientific Name: Polygonum douglasii var. douglasii
Collection Date:July 29, 1975
Collection County:Mono
Collector:Ann Howald
Collection Number:631
Common annual herb, achenes shiny brown, corollas pink, in moist meadow soil with Heraceum sphondylium, Veratrum californicum.
Discover more about this species at The Jepson Herbarium(link is external).
![Polygonum douglasii ssp. douglasii](https://valentine.nrs.ucsb.edu/wp-content/uploads/2022/11/Polygonum-douglasii-ssp.-douglasii-scaled.jpeg)