Invasive Species
http://www.ironfurnacecwma.org http://www.invasivespeciesinfo.gov http://www.invasive.org/ http://www.invasiveplants.net/
http://www.fs.fed.us/invasivespecies/
http://na.fs.fed.us/fhp/invasive_plants/
http://www.nature.org/initiatives/invasivespecies/
http://www.nps.gov/plants/alien/
http://tncinvasives.ucdavis.edu/
State Actions Federal Actions Garden variety non-native earthworms destructive to forests.
A paper from the worm management studies program at Schuylkill Center for Environmental Education