| Zinnia acerosa (DC.) A. Gray |
Accepted |
10 |
| Zinnia americana (Mill.) Olorode & A. M. Torres |
Accepted |
11 |
| Zinnia angustifolia Kunth |
Accepted |
11 |
| Zinnia anomala A. Gray |
Accepted |
24 |
| Zinnia bicolor (DC.) Hemsl. |
Accepted |
11 |
| Zinnia citrea A. M. Torres |
Accepted |
20 |
| Zinnia elegans L. |
Accepted |
12 |
| Zinnia grandiflora Nutt. |
Accepted |
21 |
| Zinnia haageana Regel |
Accepted |
12 |
| Zinnia juniperifolia (DC.) A. Gray |
Accepted |
10 |
| Zinnia maritima Kunth |
Accepted |
13 |
| Zinnia microglossa (DC.) McVaugh |
Accepted |
11 |
| Zinnia oligantha I. M. Johnst. |
Accepted |
10 |
| Zinnia pauciflora Phil. |
Accepted |
12 |
| Zinnia peruviana (L.) L. |
Accepted |
12 |
| Zinnia pumila A. Gray |
Accepted |
11 |
| Zinnia purpusii Brandegee |
Accepted |
12 |
| Zinnia violacea Cav. |
Accepted |
12 |
| Zinnia zinnioides (Kunth) Olorode & Torres |
Accepted |
11 |
| Zinnia elegans Jacq. |
Unresolved |
12 |
| Zinnia elegans Sessé & Moc. |
Unresolved |
12 |
| Zinnia grandiflora Hort. ex DC. |
Unresolved |
21 |
| Zinnia greggii B. L. Rob. & Greenm. |
Unresolved |
11 |
| Zinnia haegeana L. |
Unresolved |
12 |
| Zinnia leucoglossa S. F. Blake |
Unresolved |
11 |
| Zinnia palmeri A. Gray ex S. Watson |
Unresolved |
12 |
| Zinnia tenella B. L. Rob. |
Unresolved |
11 |
| Zinnia bidens Retz. |
Synonym of Glossocardia bidens (Retz.) Veldkamp |
12 |
| Calendula americana Mill. |
Synonym of Zinnia americana (Mill.) Olorode & A. M. Torres |
11 |
| Tragoceros americanum (Mill.) S. F. Blake |
Synonym of Zinnia americana (Mill.) Olorode & A. M. Torres |
11 |
| Tragoceros mocinianum A. Gray |
Synonym of Zinnia americana (Mill.) Olorode & A. M. Torres |
11 |
| Tragoceros schiedeanum Less. |
Synonym of Zinnia americana (Mill.) Olorode & A. M. Torres |
11 |
| Zinnia schiedeana (Less.) Olorode & Torres |
Synonym of Zinnia americana (Mill.) Olorode & A. M. Torres |
11 |
| Zinnia angustifolia var. angustifolia |
Synonym of Zinnia angustifolia Kunth |
11 |
| Zinnia linearis Benth. |
Synonym of Zinnia angustifolia Kunth |
11 |
| Zinnia littoralis B. L. Rob. & Greenm. |
Synonym of Zinnia angustifolia var. littoralis (B. L. Rob. & Greenm.) B. L. Turner |
11 |
| Zinnia littoralis B. L. Rob. & Greenm. |
Synonym of Zinnia angustifolia var. littoralis (B. L. Rob. & Greenm.) B. L. Turner |
11 |
| Tragoceros flavicomum DC. |
Synonym of Zinnia flavicoma (DC.) Olorode & Torres |
11 |
| Zinnia flavicoma (DC.) Olorode & Torr. |
Synonym of Zinnia flavicoma (DC.) Olorode & Torres |
11 |
| Zinnia multiflora L. |
Synonym of Zinnia peruviana (L.) L. |
12 |
| Zinnia pauciflora L. |
Synonym of Zinnia peruviana (L.) L. |
12 |
| Sanvitalia tenuis S. Watson |
Synonym of Zinnia tenuis (S. Watson) Strother |
8 |
| Zinnia violacea var. violacea |
Synonym of Zinnia violacea Cav. |
12 |
| Tragoceros zinnioides Kunth |
Synonym of Zinnia zinnioides (Kunth) Olorode & Torres |
11 |