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CCDB → Angiosperms → Compositae → Microspermum
| Taxon name | Status | Median (n) |
| Microspermum debile Benth. | Accepted | 12 |
| Microspermum flaccidum P. G. Wilson | Accepted | 12 |
| Microspermum nummulariifolium Lag. | Accepted | 12 |
| Microspermum numulariaefolium Lag. | Accepted | 12 |
| Microspermum debile var. debile | Synonym of Microspermum debile Benth. | 12 |