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JPEG file. Clarence A. Rechenthin. Courtesy of USDA NRCS Texas State Office. United States, TX, Knox City. Usage Requirements.
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.
More Accounts and Images: Simsiacalva (Engelm. & A. Gray) A. Gray
View species account from ARS Germplasm Resources Information Network (GRIN).
View taxonomic account from Integrated Taxonomic Information System (ITIS) for ITIS Taxonomic Serial Number 38415.