See U.S. county distributions (when available) by clicking on the map or the linked states below: USA (AK, AL, AR, AZ, CA, CT, FL, GA, HI, ID, LA, MA, ME, MI, MO, MS, MT, NC, NJ, NM, NV, NY, OH, OK, OR, PA, RI, SC, TN, TX, UT, VA, VT, WA, WY), CAN (BC, NB, ON, QC, SK)
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.
This plant 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.
Assorted authors.
200_.
State noxious weed lists for 46 states.
State agriculture or natural resource departments.
Introduced Information: Medicagopolymorpha L.
This plant is introduced to the United States
from another country or countries. Click on link below for a
partial or complete list of U.S. introduced plants.
Everitt, J.H., D.L. Drawe, and R.I. Lonard. 1999. Field guide to the broad leaved herbaceous plants of South Texas used by livestock and wildlife. Texas Tech University Press, Lubbock.