383212 1031544 Trifolium gymnocarpum Nutt.
S. Watson, D.C. Eaton, Botany [fortieth parallel], vol. 5 : t. 8 (1871)
859732 1261722 Rosa gymnocarpa Nutt. ex Torr. & A.Gray
W.H. Emory, Rep. U.S. Mex. Bound., vol. 2(1): (Botany of the boundary): t. 21 (1859)
2036096 217823 Centaurea cineraria L.
Belgique Hort., vol. 18 : p. 321, t. 21 (1868)
4944492 1261722 Rosa gymnocarpa Nutt. ex Torr. & A.Gray
E.A. Willmott, Rosa, vol. 1(): (part 1-16 p. 1-322): t. 71 (1910-1911)
431808Panicum gymnocarpum Elliott
D.S. Correll, H.B. Correll, Aquatic Wetl. Pl. SW U.S.: , fig. 158 (1972) [B.N. Culbertson]