Plant Viruses Online: Descriptions & Lists from VIDE   http://image.fs.uidaho.edu/vide/ Index to Plant Virus Species  http://image.fs.uidaho.edu/vide/sppindex.htm The International Committee on Taxonomy of Viruses    http://www.ncbi.nlm.nih.gov/ICTV/ All the Virology on the WWW      http://www.virology.net ICTV NET    http://www.danforthcenter.org/iltab/ICTVnet/ The Big Picture Book of Viruses  http://www.virology.net/Big_Virology Virus International http://www.virusint.com   IUMS Virology Committee  http://www.iums.org/Virology.htm Virology Taxonomy Online  http://www.virustaxonomyonline.com/virtax/lpext.dll?f=templates&fn=main-h.htm CDFA Plant Virology lab    http://www.cdfa.ca.gov/plantvirology/ Plant Virology Lab at Yeungnam University   http://chunma.yeungnam.ac.kr/~a9940160/ Xiong's Virology Page  http://ag.arizona.edu/~zxiong/ Michael Zuker at Rensselaer Polytechnic Institute's   http://bioinfo.math.rpi.edu/~zukerm/ William J. Lucas Lab at UCD http://www-plb.ucdavis.edu/labs/Lucas/ ICTVdB the Authorized Universal Virus Database  http://life.bio2.edu/