= Thysanocarpus curvipes f. madocarpus J.F.Macbr.; Contr. Gray Herb. 49: 48 (1917)
= Thysanocarpus curvipes subsp. madocarpus (J.F.Macbr.) Piper; Contr. U.S. Natl. Herb. 11: 306 (1906)
= Thysanocarpus curvipes var. cognatus Jeps.; Fl. Calif. [Jepson] 2: 100 (1936)
= Thysanocarpus curvipes var. emarginatus (Greene) Jeps.; Fl. Calif. [Jepson] 2: 100 (1936)
= Thysanocarpus curvipes var. involutus Greene; Fl. Francisc. 2: 276 (1891)
= Thysanocarpus curvipes var. pulchellus (Fisch. & C.A.Mey.) Greene; Fl. Francisc. 2: 276 (1891)
= Thysanocarpus deppii Nutt.; Fl. N. Amer. [Torrey & A.Gray] 1: 118 (1838)
= Thysanocarpus emarginatus Greene; Pittonia 3: 86 (1896)
= Thysanocarpus filipes Greene; Pittonia 4: 200 (1900)
= Thysanocarpus foliosus A.Heller; Muhlenbergia 2: 47 (1905)
= Thysanocarpus hirtellus Greene; Pittonia 3: 86 (1896)
= Thysanocarpus laciniatus var. emarginatus (Greene) Jeps.; Man. Fl. Pl. Calif. [Jepson] 447 (1925)
= Thysanocarpus pulchellus Fisch. & C.A.Mey.; Index Sem. (St. Petersburg [Petropolitanus]) 2: 50 (1835)
= Thysanocarpus radians Benth.; Pl. Hartw. [Bentham] 297 (1849)
= Thysanocarpus radians var. montanus Jeps.; Fl. W. Calif. [Jepson] 226 (1901)
= Thysanocarpus runcinatus G.Don; Gen. Hist. 1: 196 (1831)
= Thysanocarpus trichocarpus Rydb.; Bull. Torrey Bot. Club 30: 253 (1903)