Spent a few hours this weekend looking into how to use MySQL in conjunction with WordPress to extract useful data from a .csv file downloaded from the project. Here are two pages of a list of butterflies and the plants they use, and another of a list plants and butterflies observed feeding.(Of course, the data set should probably be increased by a factor of 10 or so, but this is a small step.)

Note - there is a taxa issue with Sleepy Orange that needs to be resolved. The two pages can be seen here:

http://natureshutterbug.com/wordpress/butterflies-and-moths-nectar-plants/
http://natureshutterbug.com/wordpress/nectar-plants-butterflies-and-moths/