Every day, since 2004, I have posted a "Bug of the Day" to Flickr. That's 1100+ bugs (arthopods if you want to be technically correct). Get Bug of the Day as an email or an RSS feed, as a slideshow, or explore the entire Flickr set on your own. (updated daily)

Visit the Invasive Species Weblog to read the latest information about invasive plants and animals. (updated regularly)

An interactive field guide for the flora and fauna of my yard, which is located in Framingham, Massachusetts, USA. More than 400 species! Created with the BDEI lab's Electronic Field Guide software. (updated 03/2008)

As part of a graduate course I taught in 2007, students were required to create profiles of non-native flora and fauna that have the potential to become invasive species in Massachusetts. I took their hard work and put it all together into this website. (added 10/2007)

Native Alternatives to Invasive Plants, an interactive guide for New England gardeners. Created with the BDEI lab's Electronic Field Guide software. (added 08/2007)

The second in a series of Virtual Nature Trails, the Sailors' Home Cemetery Salt Marsh Trail website includes a detailed guide to 29 stops and a gallery with over 1100 photos. (added 10/2005)

Developed as part of the Electronic Field Guide project, my "Invasive Plants in Winter" guide is now available as a Java applet, HTML version, and more on the efgKEYS page (use the pull-down menu to select it). The guide was developed for the New England area, but you are likely to recognize many of the species if you are anywhere in temperate North America. (added 2/2006)

Breeding system, hybridization, and polyploidy of the invasive plant Fallopia japonica (Japanese Knotweed, Polygonum cuspidatum) and related species, plus information on controlling infestations, other current research, and native plant alternatives. (updated 12/2006)

The Mass Invaders website is the web version of the Invasive Plants in Massachusetts poster, with web links and a photo gallery for each of the 12 featured plants. (added 2004)

Visit the official website for the UMass Boston Nantucket Field Station Virtual Nature Trail, a joint effort of many dedicated UMB faculty, grad students and undergrads. (added 2002)

In 2001 I contributed the article "Methods of Introduction of Non-Native Plants into New Habitats: A Review" to "Conservation Perspectives", the online journal of the New England chapter of The Society for Conservation Biology.

In 2001, I also gave a talk for the New England Botanical Club titled "Through the Looking Glass: History and Consequences of the Introduction of American Plant Species into Europe". The meeting minutes are posted on the NEBC web site.

UPDATE 11/2003: I now have reprints and a species list available for "The introduction of American plant species into Europe: issues and Consequences." a chapter in the book "Plant Invasions: Ecological Threats and Management Solutions."

Discover a new and exciting Plant Genus each month. (1997-2003)

In 1998 I worked on a project for the Conservation New England web site with Jim Stark, "The Introduction of Non-Native Plants into Massachusetts"

Read my article "Non-Native Plants: the good, the bad, & the ugly," featured in the July-August 2002 newsletter of the Friends of the Blue Hills. (.pdf file)

Download cool and weird seamless tiles made from scans of dried plant specimens and photos, for use as desktop wallpaper, webpage backgrounds, or whatever you want...it's absolute freeware. (Updated 8/6/02)

For fellow stamp collectors, here's a simple list I've put together of Post Offices that sell stamps Online. (Updated 1/8/04)