2008 June 26 Over ten thousand images online with over one thousand species represented.
2008 June 11 One millionth first time visitor.
2006 Oct 11 Medium resolution images of southeastern US trees available for use on portable devices
2006 July 31 Common northwest US trees online.
2006 Jun 30 One millionth page view since 2003 October.
2006 Feb 13 All plant images linked and available online.
2006 Jan 12 Updated North American Ecoregions, now covers 61% of ecoregions
2005 November Vanderbilt Arboretum Tree Tour online
2005 June  Canada ecoregions online, added animal images
2005 Apr 1 Site navigation improved, Alaska and Hawaii ecoregions online
2004 Jul 10 Ecoregions added
2004 Feb 16 Southwestern US plant images added.
2003 Nov 1 Habitat images added.
2003 May 8 Comprehensive middle Tennessee herbaceous plants list online.
2002 Dec 18 Representative southeastern herbaceous plants online.
2002 Nov 19  First plant features pages created
2002 Nov 17  First herbaceous angiosperms added.
2002 Nov 13  Non-seed plants and non-photosynthetic gametophytes added.
2002 Nov 12  Nearly all common trees of middle Tennessee online.
2002 Oct 21  High resolution versions of all images available.