| Thelesperma burridgeanum S. F. Blake |
Accepted |
9 |
| Thelesperma filifolium (Hook.) A. Gray |
Accepted |
9 |
| Thelesperma flavodiscum (Shinners) B. L. Turner |
Accepted |
10 |
| Thelesperma longipes A. Gray |
Accepted |
10 |
| Thelesperma megapotamicum (Spreng.) Kuntze |
Accepted |
18 |
| Thelesperma megapotamicum var. ambiguum (A. Gray) Shinners |
Accepted |
22 |
| Thelesperma megapotamicum var. ramosius (S. F. Blake) Melchert |
Accepted |
11 |
| Thelesperma nuecense B. L. Turner |
Accepted |
10 |
| Thelesperma scabridulum S. F. Blake |
Accepted |
12 |
| Thelesperma simplicifolium (A. Gray) A. Gray |
Accepted |
10 |
| Thelesperma subaequale S. F. Blake |
Accepted |
12 |
| Thelesperma subnudum A. Gray |
Accepted |
12 |
| Thelesperma hybridum Voss |
Unresolved |
9 |
| Thelesperma shinnersii Flyr |
Unresolved |
11 |
| Thelesperma filifolium var. filifolium |
Synonym of Thelesperma filifolium (Hook.) A. Gray |
9 |
| Thelesperma filifolium var. intermedium (Rydb.) Shinners |
Synonym of Thelesperma filifolium (Hook.) A. Gray |
9 |
| Thelesperma megapotamicum var. megapotamicum |
Synonym of Thelesperma megapotamicum (Spreng.) Kuntze |
18 |
| Thelesperma ambiguum A. Gray |
Synonym of Thelesperma megapotamicum var. ambiguum (A. Gray) Shinners |
22 |
| Thelesperma ramosius S. F. Blake |
Synonym of Thelesperma megapotamicum var. ramosius (S. F. Blake) Melchert |
11 |
| Bidens muelleri Sherff |
Synonym of Thelesperma muelleri (Sherff) Melchert |
11 |
| Thelesperma curvicarpum Melchert |
Synonym of Thelesperma simplicifolium (A. Gray) A. Gray |
10 |
| Thelesperma simplicifolium var. simplicifolium |
Synonym of Thelesperma simplicifolium (A. Gray) A. Gray |
10 |
| Thelesperma caespitosum Dorn |
Synonym of Thelesperma subnudum A. Gray |
12 |
| Thelesperma pubescens Dorn |
Synonym of Thelesperma subnudum A. Gray |
12 |
| Thelesperma subnudum var. alpinum S. L. Welsh |
Synonym of Thelesperma subnudum A. Gray |
12 |
| Thelesperma subnudum var. subnudum |
Synonym of Thelesperma subnudum A. Gray |
12 |