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TIFF file. Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 3: 470. Courtesy of Kentucky Native Plant Society. Scanned by Omnitek Inc. Usage Requirements.
Threatened and Endangered Information: Rudbeckiahirta L.
The related entity italicized and indented below is listed by the U.S. federal government or a state. Common names are from state and federal lists.
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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.
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.
Miller, J.H., and K.V. Miller. 1999. Forest plants of the southeast and their wildlife uses. Southern Weed Science Society.