Very spiney buffalo bur plant with very large spiney leaves and spiney stalk and yellow flowers
Commentary
None
Remedy
"Buffalobur (Solanum rostratum) info from King County, WA":http://www.kingcounty.gov/environment/animalsAndPlants/noxious-weeds/weed-identification/buffalobur.aspx
Location
By the mail boxes
Expert Reviewer
Eli Staggs Tualatin Soil and Water Conservation District