Image of: Alternanthera philoxeroides (alligatorweed)
Source: http://en.wikipedia.org/wiki/Image:Alligator-Weed1web.jpg / http://plants.usda.gov
Author: National Plant Data Center, Baton Rouge, LA 70874-4490 USA.
Permission (Reusing this file):
Credits: USDA This image is not copyrighted and may be freely used for any purpose. Please credit the artist, original publication if applicable, and the USDA-NRCS PLANTS Database.
The following format is suggested and will be appreciated:
Robert H. Mohlenbrock @ USDA-NRCS PLANTS Database / USDA SCS. 1991. Southern wetland flora: Field office guide to plant species. South National Technical Center, Fort Worth, TX.