| Cosmos atrosanguineus (Hook.) Voss |
Accepted |
24 |
| Cosmos bipinnatus Cav. |
Accepted |
12 |
| Cosmos carvifolius Benth. |
Accepted |
11 |
| Cosmos caudatus Kunth |
Accepted |
24 |
| Cosmos concolor Sherff |
Accepted |
36 |
| Cosmos crithmifolius Kunth |
Accepted |
33 |
| Cosmos deficiens (Sherff) Melchert |
Accepted |
12 |
| Cosmos diversifolius Otto ex Otto |
Accepted |
12 |
| Cosmos intercedens Sherff |
Accepted |
11 |
| Cosmos jaliscensis Sherff |
Accepted |
24 |
| Cosmos juxtlahuacensis Panero & Villaseñor |
Accepted |
13 |
| Cosmos landii Sherff |
Accepted |
22 |
| Cosmos linearifolius (S. Bip.) Hemsl. |
Accepted |
11 |
| Cosmos mcvaughii Sherff |
Accepted |
12 |
| Cosmos modestus Sherff |
Accepted |
12 |
| Cosmos montanus Sherff |
Accepted |
12 |
| Cosmos ochroleucoflorus Melchert |
Accepted |
22 |
| Cosmos palmeri B. L. Rob. |
Accepted |
17 |
| Cosmos parviflorus (Jacq.) Pers. |
Accepted |
12 |
| Cosmos peucedanifolius Wedd. |
Accepted |
12 |
| Cosmos pringlei B. L. Rob. & Fernald |
Accepted |
46 |
| Cosmos purpureus (DC.) Benth. & Hook. ex Hemsl. |
Accepted |
23 |
| Cosmos scabiosoides Kunth |
Accepted |
12 |
| Cosmos schaffneri Sherff |
Accepted |
12 |
| Cosmos sessilis var. stellatus (Sherff) Melchert |
Accepted |
12 |
| Cosmos sherffii Melchert |
Accepted |
12 |
| Cosmos sulphureus Cav. |
Accepted |
12 |
| Cosmos atrosanguineus Stapf |
Unresolved |
24 |
| Cosmos ocellatus Greenm. |
Synonym of Bidens ocellatus (Greenm.) Melchert |
12 |
| Cosmos exiguus A. Gray |
Synonym of Bidens rostrata Melchert |
11 |
| Bidens atrosanguinea (Hook.) Ortgies |
Synonym of Cosmos atrosanguineus (Hook.) Voss |
24 |
| Bidens dahlioides S. Watson |
Synonym of Cosmos diversifolius var. dahlioides (S. Watson) Melchert |
12 |
| Cosmos landii var. achalconensis Melchert |
Synonym of Cosmos landii Sherff |
22 |
| Cosmos landii var. landii |
Synonym of Cosmos landii Sherff |
22 |
| Cosmos linearifolius var. linearifolius |
Synonym of Cosmos linearifolius (S. Bip.) Hemsl. |
11 |
| Cosmos linearifolius var. magnifolius Sherff |
Synonym of Cosmos linearifolius (S. Bip.) Hemsl. |
11 |
| Cosmos montanus var. pinnatus Sherff |
Synonym of Cosmos montanus Sherff |
12 |
| Cosmos pacificus var. pacificus |
Synonym of Cosmos pacificus Melchert |
12 |
| Cosmos palmeri var. palmeri |
Synonym of Cosmos palmeri B. L. Rob. |
17 |
| Cosmos parviflorus (Jacq.) Kunth |
Synonym of Cosmos parviflorus (Jacq.) Pers. |
12 |
| Cosmos peucedanifolius var. peucedanifolius |
Synonym of Cosmos peucedanifolius Wedd. |
12 |
| Cosmos marginatus Klatt |
Synonym of Cosmos peucedanifolius var. tiraquensis (Kuntze) Sherff |
24 |
| Cosmos purpureus var. flavidiscus Sherff |
Synonym of Cosmos purpureus (DC.) Benth. & Hook. ex Hemsl. |
23 |
| Cosmos purpureus var. purpureus |
Synonym of Cosmos purpureus (DC.) Benth. & Hook. ex Hemsl. |
23 |
| Cosmos sulphureus var. sulphureus |
Synonym of Cosmos sulphureus Cav. |
12 |
