Robert H. Mohlenbrock. USDA SCS. 1991.
Southern wetland flora: Field office guide to plant species
. South National Technical Center, Fort Worth. Provided by USDA NRCS Wetland Science Institute (WSI).
This plant is listed by the U.S. federal government or a state. Common names are from state and federal lists. Click on a place name to get a complete noxious weed list for that location, or click here for a composite list of all
Federal and State Noxious Weeds
when growing in groups of 100 or more and not pruned, sprayed, cultivated, or otherwise maintained for two consecutive years
U.S. Weed Information
This plant and the related entity italicized and indented above can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Click on an acronym to view each weed list, or click here for a composite list of
Weeds of the U.S.