The large and difficult genus Potentilla is gratifyingly represented in Texas by a very small number of easily distinguished species, but there is no complete or precise published record of those found in the state. The summary here given is based on the collections in the Herbarium of Southern Methodist University, that of the University of Texas, and the Tracy Herbarium of Texas A. & M. College.
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Shinners, Lloyd H.
"The Texas Species of Potentilla (Rosaceae),"
Field and Laboratory: Vol. 23
Available at: https://scholar.smu.edu/fieldandlab/vol23/iss1/5