Fallopia japonica typical to see much smaller plants in places where they sprout through cracks in the pavement or are repeatedly cut down. The leaves are broad oval with a truncated base, long and broad, with an entire margin. The flowers are small, cream or white, produced in erect racemes long in late summer and early autumn. Closely related species include giant knotweed ("Fallopia sachalinensis", syn. "Polygonum sachalinense") and Russian vine ("Fallopia baldschuanica", "Polygonum baldschuanicum"). Other English names for Japanese knotweed include fleeceflower, Himalayan fleece vine, monkeyweed, monkey fungus, Hancock's curse, elephant ears, pea shooters, donkey rhubarb (although it is not a
Invasive species in Australia may pose risks of introducing exotic disease organisms. Case examples include, Chytrid fungus that is threatening numerous Australian frog species with extinction and mass pilchards deaths in the Southern Ocean from 1995 onwards that are suspected to have been caused by a virus that may have been brought in with imported pilchards. Invasive species in Australia Invasive species are a serious threat to the native biodiversity of Australia and are an ongoing cost to Australian agriculture. Numerous species arrived with European colonisation of Australia and steadily since then. Management and the prevention of the introduction of new invasive species are