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CCDB → Angiosperms → Poaceae → Diarrhena
| Taxon name | Status | Median (n) |
| Diarrhena americana P. Beauv. | Accepted | 30 |
| Diarrhena fauriei (Hack.) Ohwi | Accepted | 19 |
| Diarrhena japonica Franch. & Sav. | Accepted | 19 |
| Diarrhena mandshurica Maxim. | Accepted | 19 |
| Neomolinia japonica (Franch. & Sav.) Prob. | Synonym of Diarrhena japonica Franch. & Sav. | 19 |
| Neomolinia mandshurica (Maxim.) Honda | Synonym of Diarrhena mandshurica Maxim. | 19 |