| Asteraceae | !! |
Adenophyllum | Pers. | Syn. Pl. 2: 458 | 1807 |
| Asteraceae | |
Adenophyllum appendiculatum | (Lag.) Strother | Sida 11(4): 376 | 1986 |
| Asteraceae | |
Adenophyllum porophyllum | (Cav.) Hemsl. | Biol. Cent.-Amer., Bot. 2(9): 218 | 1881 |
| Asteraceae | |
Adenophyllum porophyllum var. porophyllum | | | |
| Asteraceae | |
Adenophyllum porophyllum var. radiatum | (DC.) Strother | Sida 11(4): 377 | 1986 |
| Asteraceae | |
Boebera | Willd. | Sp. Pl. 3(3): 1484, 2125 | 1803 |
| Asteraceae | |
Boebera chrysanthemoides | Willd. | Sp. Pl. 3(3): 2125–2126 | 1803 |
| Asteraceae | |
Boebera ciliosa | Rydb. | N. Amer. Fl. 34(2): 167 | 1915 |
| Asteraceae | |
Boebera fastigiata | Kunth | Nov. Gen. Sp. (folio ed.) 4: 155–156 | 1820 [1818] |
| Asteraceae | ** |
Boebera glandulosa | Pers. | Syn. Pl. 2: 459 | 1807 |
| Asteraceae | |
Boebera papposa | (Vent.) Rydb. | Man. Fl. N. States 1012 | 1901 |
| Asteraceae | |
Boebera roseata | Rydb. | N. Amer. Fl. 34(2): 168 | 1915 |
| Asteraceae | |
Boebera tagetiflora | (Lag.) Spreng. | Syst. Veg. [Sprengel] 3: 545 | 1826 |
| Asteraceae | |
Cacalia ruderalis | (Jacq.) Sw. | Prodr. 110 | 1788 |
| Asteraceae | |
Clomenocoma montana | Benth. | Pl. Hartw. 86 | 1841 |
| Asteraceae | |
Comaclinium | Scheidw. & Planch. | Fl. Serres Jard. Eur. 8: 19, t. 756 | 1852-1853 [1852] |
| Asteraceae | |
Comaclinium aurantiacum | Scheidw. & Planch. | Fl. Serres Jard. Eur. 8: 19, t. 756 | 1852-1853 [1852] |
| Asteraceae | |
Comaclinium montanum | (Benth.) Strother | Sida 11(4): 377 | 1986 |
| Asteraceae | ! |
Dyssodia | Cav. | Descr. Pl. 202 | 1801 [1802] |
| Asteraceae | |
Dyssodia sect. Adenophyllum | (Pers.) O. Hoffm. | Nat. Pflanzenfam. 4(5): 266 | 1894 |
| Asteraceae | |
Dyssodia appendiculata | Lag. | Gen. Sp. Pl. 29 | 1816 |
| Asteraceae | |
Dyssodia aurantia | (L.) B.L. Rob. | Proc. Amer. Acad. Arts 49: 507 | 1913 |
| Asteraceae | * |
Dyssodia chrysanthemoides | (Willd.) Lag. | Gen. Sp. Pl. 29 | 1816 |
| Asteraceae | |
Dyssodia ciliosa | (Rydb.) Standl. | Publ. Field Mus. Nat. Hist., Bot. Ser. 4(8): 299 | 1929 |
| Asteraceae | |
Dyssodia decipiens | (Bartl.) M.C. Johnst. | Rhodora 64: 13 | 1962 |
| Asteraceae | |
Dyssodia fastigiata | DC. | Prodr. 5: 640 | 1836 |
| Asteraceae | |
Dyssodia sect. Gymnolaena | DC. | Prodr. 5: 641 | 1836 |
| Asteraceae | |
Dyssodia integrifolia | A. Gray | Proc. Amer. Acad. Arts 19(1): 37 | 1884 [1883] |
| Asteraceae | |
Dyssodia montana | (Benth.) A. Gray | Proc. Amer. Acad. Arts 19(1): 38 | 1884 [1883] |
| Asteraceae | |
Dyssodia papposa | (Vent.) Hitchc. | Trans. Acad. Sci. St. Louis 5(3–4): 503 | 1891 [1892] |
| Asteraceae | ! |
Dyssodia porophyllum | (Cav.) Cav. | Anales Ci. Nat. 6: 334 | 1803 |
| Asteraceae | ! |
Dyssodia porophyllum var. radiata | DC. | Prodr. 5: 639 | 1836 |
| Asteraceae | ** |
Dyssodia porophyllum var. radiata | (DC.) Strother | Univ. Calif. Publ. Bot. 48: 39 | 1969 |
| Asteraceae | * |
Dyssodia roseata | (Rydb.) Gentry | Los Pastizales de Durango 331 | 1957 |
| Asteraceae | |
Dyssodia sanguinea | (Klatt) Strother | Univ. Calif. Publ. Bot. 48: 25–26, f. 4 | 1969 |
| Asteraceae | |
Dyssodia tagetiflora | Lag. | Gen. Sp. Pl. 29 | 1816 |
| Asteraceae | ! |
Eupatorium punctatum | Mill. | Gard. Dict. (ed. 8) Eupatorium no. 11 | 1768 |
| Asteraceae | |
Gymnolaena | (DC.) Rydb. | N. Amer. Fl. 34(2): 160 | 1915 |
| Asteraceae | |
Gymnolaena chiapasana | Strother | Sida 3(2): 112–114, fig. (map) 1 | 1967 |
| Asteraceae | |
Gymnolaena integrifolia | (A. Gray) Rydb. | N. Amer. Fl. 34(2): 161 | 1915 |
| Asteraceae | |
Kleinia ruderalis | Jacq. | Enum. Syst. Pl. 28, 8 | 1760 |
| Asteraceae | |
Lebetina cubana | Rydb. | N. Amer. Fl. 34(2): 163 | 1915 |
| Asteraceae | ! |
Porophyllum | Guett. | Hist. Acad. Roy. Sci. Mém. Math. Phys. (Paris, 4) 1750: 377–378 | 1754 |
| Asteraceae | |
Porophyllum ellipticum var. ruderale | (Jacq.) Urb. | Symb. Antill. 1(3): 468 | 1899 |
| Asteraceae | |
Porophyllum guatemalense | Rydb. | N. Amer. Fl. 34(3): 190 | 1916 |
| Asteraceae | |
Porophyllum macrocephalum | DC. | Prodr. 5: 648 | 1836 |
| Asteraceae | |
Porophyllum millspaughii | B.L. Rob. | Publ. Field Columb. Mus., Bot. Ser. 2(1): 109 | 1900 |
| Asteraceae | |
Porophyllum nelsonii | B.L. Rob. & Greenm. | Proc. Amer. Acad. Arts 32(1): 32 | 1897 [1896] |
| Asteraceae | |
Porophyllum pittieri | Rydb. | N. Amer. Fl. 34(3): 188 | 1916 |
| Asteraceae | |
Porophyllum pringlei | B.L. Rob. | Proc. Amer. Acad. Arts 27: 178–179 | 1893 |
| Asteraceae | |
Porophyllum punctatum | (Mill.) S.F. Blake | Contr. Gray Herb. 52: 58 | 1917 |
| Asteraceae | |
Porophyllum ruderale | (Jacq.) Cass. | Dict. Sci. Nat. (ed. 2) 43: 56 | 1826 |
| Asteraceae | |
Porophyllum ruderale subsp. macrocephalum | (DC.) R.R. Johnson | Univ. Kansas Sci. Bull. 48(7): 233 | 1969 |
| Asteraceae | |
Porophyllum ruderale var. macrocephalum | (DC.) Cronquist | Madroño 20(5): 255 | 1970 |
| Asteraceae | |
Porophyllum ruderale var. ruderale | | | |
| Asteraceae | |
Pteronia porophyllum | Cav. | Icon. 3(1): 13, t. 225 | 1794 [1795] |
| Asteraceae | |
Rosilla | Less. | Syn. Gen. Compos. 245 | 1832 |
| Asteraceae | |
Syncephalantha | Bartl. | Index Sem. (Gottingen) 6 | 1836 |
| Asteraceae | |
Syncephalantha decipiens | Bartl. | Index Sem. (Gottingen) 6 | 1836 |
| Asteraceae | |
Syncephalantha macrophylla | Klatt | Leopoldina 25(11–12): 108 | 1889 |
| Asteraceae | |
Syncephalantha sanguinea | Klatt | Leopoldina 25(11–12): 106 | 1889 |
| Asteraceae | ! |
Tagetes papposa | Vent. | Descr. Pl. Nouv. 4: 36, f. 36 | 1801 |