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CCDB → Angiosperms → Poaceae → Wilhelmsia
| Taxon name | Status | Median (n) |
| Wilhelmsia physodes (Fisch.) McNeill | Accepted | 33 |
| Arenaria physodes Fisch. ex Ser. | Synonym of Wilhelmsia physodes (Fisch.) McNeill | 33 |
| Merckia physodes (Fisch.) Fisch. ex Cham. & Schltdl. | Synonym of Wilhelmsia physodes (Fisch.) McNeill | 33 |
| Wilhelmsia physodes (fisch.) McNeill | Synonym of Wilhelmsia physodes (Fisch.) McNeill | 33 |