| Asteraceae | ** |
Calendula aegyptiaca
| Desf. | Tabl. École Bot. 1: 100 | 1804 |
| Asteraceae | |
Calendula algarbiensis
| Boiss. | Diagn. Pl. Orient., ser. 2, 6: 106 | 1859 |
| Asteraceae | |
Calendula americana
| Mill. | Gard. Dict. (ed. 8) no. 10 | 1768 |
| Asteraceae | |
Calendula arborescens
| Jacq. | Collect. Suppl. 3: 167 | 1796 |
| Asteraceae | |
Calendula arvensis
| L. | Sp. Pl. (ed. 2) 2: 1303–1304 | 1763 |
| Asteraceae | |
Calendula aurantiaca
| Boiss. | Diagn. Pl. Orient., ser. 1, 6: 96 | 1845 [1846] |
| Asteraceae | |
Calendula bicolor
| Raf. | Caratt. Nuov. Gen. 82 | |
| Asteraceae | |
Calendula chrysanthemifolia
| Vent. | Jard. Malmaison 1: 56 | 1803-1804 |
| Asteraceae | |
Calendula cuneata
| Thunb. | Prodr. Pl. Cap. 164 | 1800 |
| Asteraceae | |
Calendula flaccida
| Vent. | Jard. Malmaison 20 | 1803-1804 |
| Asteraceae | |
Calendula fruticosa
| L. | Pl. Rar. Afr. 25 | 1760 |
| Asteraceae | |
Calendula glabrata
| Thunb. | Prodr. Pl. Cap. 163 | 1800 |
| Asteraceae | |
Calendula gracilis
| DC. | Prodr. 6: 453 | 1837 [1838] |
| Asteraceae | |
Calendula graminifolia
| L. | Sp. Pl. 922 | 1753 |
| Asteraceae | |
Calendula hybrida
| L. | Sp. Pl. 2: 921 | 1753 |
| Asteraceae | |
Calendula incana
| Willd. | Sp. Pl. 3: 2341 | |
| Asteraceae | |
Calendula karakalensis
| Vassilcz. | Fl. SSSR 26: 860, 895 | 1961 |
| Asteraceae | |
Calendula maderensis
| DC. | Prodr. 6: 454 | 1837 [1838] |
| Asteraceae | |
Calendula magellanica
| Willd. | Sp. Pl. 3: 234 | 1800 |
| Asteraceae | |
Calendula maritima
| Guss. | Ind. Sem. Hort. Boccadifalco | 1825 |
| Asteraceae | |
Calendula maroccana
| Ball | | |
| Asteraceae | |
Calendula maroccana
| (Ball) B.D. Jacks. | Index Kew. 1: 383 | 1893 |
| Asteraceae | |
Calendula nudicaulis
| L. | Sp. Pl. 2: 922 | 1753 |
| Asteraceae | |
Calendula officinalis
| L. | Sp. Pl. 2: 921 | 1753 |
| Asteraceae | |
Calendula oppositifolia
| Aiton | Hort. Kew. 3: 272 | 1789 |
| Asteraceae | |
Calendula palaestina
| Boiss. | Diagn. Pl. Orient., ser. 1, 10: 83 | 1849 |
| Asteraceae | |
Calendula palestina
| Boiss. | Diagn. Pl. Orient., ser. 1, 10: 83 | 1849 |
| Asteraceae | |
Calendula persica
| C.A. Mey. | Verz. Pfl. Casp. Meer. 72 | 1831 |
| Asteraceae | |
Calendula pinnata
| Thunb. | Prodr. Pl. Cap. 164 | 1800 |
| Asteraceae | |
Calendula pluvialis
| L. | Sp. Pl. 2: 921 | 1753 |
| Asteraceae | |
Calendula pumila
| G. Forst. | Fl. Ins. Austr. 57 | 1786 |
| Asteraceae | |
Calendula pusilla
| Thouars | Esquisse Fl. Tristan d'Acugna 40 | 1811 |
| Asteraceae | |
Calendula rosmainifolia
| Houtt. | Nat. Hist. 2(11): 84, t. 70, f. 2 | 1779 |
| Asteraceae | |
Calendula stellata
| Cav. | Icon. 1(1): 3–4, t. 5 | 1791 |
| Asteraceae | |
Calendula suffruticosa
| Vahl | Symb. Bot. 2: 94 | 1791 |
| Asteraceae | |
Calendula tomentosa
| L. f. | Suppl. Pl. 384 | 1782 |
| Asteraceae | |
Calendula tragus
| Aiton | Hort. Kew. 3: 271 | 1789 |
| Asteraceae | ** |
Calendula tragus
| Jacq. | Pl. Hort. Schoenbr. 2: 14, t. 153 | 1797 |
| Asteraceae | |
Calendula tripterocarpa
| Rupr. | Bull. Phys.-Math. Acad. Petersburg 14: 231 | 1856 |