1. University of Louisiana at Lafayette , 104 E University Ave, Lafayette, LA 70504 , USA
2. Smithsonian's National Zoo and Conservation Biology Institute , 3001 Connecticut Avenue, NW, Washington, DC 20008 , USA
3. Eastern Ecological Science Center , U.S. Geological Survey, 12100 Beech Forest Road, Laurel, MD 20708, USA
4. National Museum of Natural History , 10th St. and Constitution Avenue, NW, Washington, DC 20560, USA
5. Royal Botanic Gardens , Kew, Richmond TW9 3AE , UK