Trigonospermum Less. Syn. Gen. Compos. : 214 (1832) [wfo-4000039167]T. adenostemmoides Less. Syn. Gen. Compos. : 214 (1832) [wfo-0000122802] T. annuum McVaugh & Lask. Contr. Univ. Michigan Herb. 9: 500, fig. 62 (1972) [wfo-0000030638] T. stevensii S.D.Sundb. & Stuessy Ann. Missouri Bot. Gard. 77: 418 (1990) [wfo-0000054087] Trigonospermum: Unplaced Names
unknown Trigonospermum multiflorum Sch.Bip. Bull. Soc. Bot. France 12: 79 (1865) [wfo-0000116687] valid Trigonospermum alexandri Rzed., Calderón & Pérez-Calix Acta Bot. Mex. 84: 5 (-8; fig. 2) (2008) [wfo-0001328992] valid Trigonospermum floribundum Greenm. Proc. Amer. Acad. Arts 39: 99 (1903) [wfo-0000095286] unknown Trigonospermum hispidulum S.F.Blake J. Washington Acad. Sci. 19: 272 (1929) [wfo-0000129106] unknown Trigonospermum tomentosum B.L.Rob. & Greenm. Proc. Amer. Acad. Arts 32: 44 (1896) [wfo-0000123851] Zandera D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 32 (1988). [wfo-4000041139]Z. andersoniae (B.L.Turner) D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 33 (1988): [wfo-0000063177]basionym Sigesbeckia andersoniae B.L.Turner Brittonia 30: 66 (-67) (1978) [wfo-0000002778] synonym Sigesbeckia andersoniae B.L.Turner Brittonia 30: 66 (-67) (1978) [wfo-0000002778]homotypic Zandera andersoniae (B.L.Turner) D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 33 (1988): [wfo-0000063177] Z. blakei (McVaugh & Lask.) D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 33 (1988): [wfo-0000001009]basionym Trigonospermum blakei McVaugh & Lask. Contr. Univ. Michigan Herb. 9: 502, fig. 63 (1972) [wfo-0000089930] homotypic Sigesbeckia blakei (McVaugh & Lask.) B.L.Turner Brittonia 1978 [wfo-0000021707] synonym Sigesbeckia blakei (McVaugh & Lask.) B.L.Turner Brittonia 1978 [wfo-0000021707]basionym Trigonospermum blakei McVaugh & Lask. Contr. Univ. Michigan Herb. 9: 502, fig. 63 (1972) [wfo-0000089930] homotypic Zandera blakei (McVaugh & Lask.) D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 33 (1988): [wfo-0000001009] synonym Trigonospermum blakei McVaugh & Lask. Contr. Univ. Michigan Herb. 9: 502, fig. 63 (1972) [wfo-0000089930]homotypic Sigesbeckia blakei (McVaugh & Lask.) B.L.Turner Brittonia 1978 [wfo-0000021707] homotypic Zandera blakei (McVaugh & Lask.) D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 33 (1988): [wfo-0000001009] Z. hartmanii (B.L.Turner) D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 34 (1988): [wfo-0000038430]basionym Sigesbeckia hartmanii B.L.Turner Brittonia 30: 66 (1978) [wfo-0000061469] synonym Sigesbeckia hartmanii B.L.Turner Brittonia 30: 66 (1978) [wfo-0000061469]homotypic Zandera hartmanii (B.L.Turner) D.L.Schulz in Haussknechtia, Mitt. Thüring. Bot. Ges. 4: 34 (1988): [wfo-0000038430] synonym Tetragonosperma Scheele Linnaea 22: 166 (1849) [wfo-4000037915] T. ludoviciana (Torr. & A.Gray) A.Gray ex E.Hall Plantae Texanae 13 1873 [wfo-0000069230]basionym Halea ludoviciana Torr. & A.Gray Fl. N. Amer. 2(2): 304 (1842) [wfo-0000073359] synonym Halea ludoviciana Torr. & A.Gray Fl. N. Amer. 2(2): 304 (1842) [wfo-0000073359]homotypic Tetragonotheca ludoviciana (Torr. & A.Gray) A.Gray ex E.Hall Plantae Texanae 13 1873 [wfo-0000069230] T. repanda Small Fl. S.E. U.S. 1250, 1340 (1903) [wfo-0000076740]basionym Halea repanda Buckley Proc. Acad. Nat. Sci. Philadelphia 1861: 458 (1862) [wfo-0000059585] synonym Halea repanda Buckley Proc. Acad. Nat. Sci. Philadelphia 1861: 458 (1862) [wfo-0000059585]homotypic Tetragonotheca repanda Small Fl. S.E. U.S. 1250, 1340 (1903) [wfo-0000076740] T. texana A.Gray & Engelm. Proc. Amer. Acad. Arts i. (1848) 48. [wfo-0000117110] Tetragonotheca: Unplaced Names
unknown Tetragonotheca parviflora Jacq. Enum. Syst. Pl. : 28 (1760) [wfo-0000117098] unknown Tetragonotheca ludoviciana var. repanda (Buckley) A.Gray [wfo-0001391967]