« back to search Polygonum argyrocoleon Date May 1974 Media FormatSlide PhotographerClifton F. Smith Plant Information Plant(s) Pictured Persian Knotweed (Polygonum argyrocoleon) More Info Native StatusNaturalized Primary Plant Part Inflorescense, Leaves General Subject Subject Tags Weeds Image & Format Details Index NumberSL_36849 Decade1970s Date is Processing Date Yes Photo OrientationLandscape Collection Jeanette Sainz Image & Format Tags Color photograph Film Type Ektachrome
