Description: Jennifer Forman Orth's Home Page
hybrids (99) japanese knotweed (33) knotweed (16) hybridization (11) polygonum (2) fallopia japonica (2) polygonaceae (1) reynoutria (1) dioecy (1) dioecious (1)
See the species list or download a copy of the peer-reviewed paper, " The introduction of American plant species into Europe: issues and Consequences ." a chapter in the book "Plant Invasions: Ecological Threats and Management Solutions." Ancient weird seamless tiles made from scans of dried plant specimens and photos, for use as desktop wallpaper, webpage backgrounds, or whatever you want...it's absolute freeware . (Updated 8/6/02) Older Stuff: What I did on my summer vacation 199