id	domain	url
biotropia-308	www.issg.org	http://www.issg.org/database/species/ecology.asp?si=53&fr=1&sts=sss
biotropia-308	sci.kagoshima-u.ac.jp	http://sci.kagoshima-u.ac.jp
biotropia-308	www.weedcenter.org	http://www.weedcenter.org/textbook/index.html