110576 1013738 Thrasya petrosa (Trin.) Chase [125 745301 Panicum petrosum Trin.]
C.F.P. von Martius, A.G. Eichler, I. Urban, Fl. Bras., vol. 2(2): fasicle 72, (Gramineae I): t. 37 (1877) [J. Huegel & J.C. Doell]
3722302 774191 Phacelia petrosa N.D.Atwood, F.J.Sm. & T.A.Knight
Novon, vol. 12 : p. 23, fig. 4 (2002) [S. Workman]
3228052 765298 Pentatrichia petrosa Klatt
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4505402 793103 Pimpinella petrosa Dawit
Kew Bull., vol. 44(): : p. 344, fig. 2 (1989) [M. Tebbs]