Japonica rice is more allelopathic than Indica and Japonica-Indica hybrid. There are numerous cultivars of glutinous rice, which include japonica, indica and tropical japonica strains. "C. japonica" 'Alba Plena' is nicknamed the "Bourbon Camellia". Thunberg donated to Kew Botanic Gardens four specimens of "Camellia japonica". Another type of rare camellia is called the fishtail camellia or "C. japonica" 'Kingyo-tsubaki'. The Japanese white eye bird ("Zosterops japonica") pollinates "Camellia japonica". There are four major categories of rice worldwide&colon; indica, japonica, aromatic and glutinous. Japanese Knotweed "Fallopia japonica" is an invasive species that threatens Jersey's biodiversity. He also introduced Japanese knotweed ("Reynoutria japonica", syn. There are more than 2,000 cultivars developed from "C. japonica". The Japanese beetle ("Popillia japonica") is a species of scarab beetle. It feeds on alder, sedge, Japanese witch-hazel ("Hamamelis Japonica"), and Japanese cedar. There is currently no known biological control for "Lonicera japonica". Management of invasive "Lonicera japonica" has been achieved through a variety of means. In Japan, five of the eight endemic species (subgenus "Japonica") are listed as endangered.