Investigation of Japanese fleeceflower (Polygonum cuspidatum Sieb and Zucc.) planted on two bituminous strip-mine spoils in Pennsylvania, 190 - 01 - 04 - LD1017 .C8133 1977 B3, Volume: Archives LD1017 .C8133 1977 B3; Volume: Carlson Library Level A Main Quarto Collection QK495.A56 B3. Clarion University Archives. http://buoy1.klnpa.org/repositories/2/resources/340 Accessed April 30, 2025.