| Name | Merckia Fischer ex Chamisso & Schlechtendal |
| Authorship | Fischer ex Chamisso & Schlechtendal |
| Rank | Genus |
| NomenclaturalStatus | LaterHomonym |
| Placed in | Caryophyllaceae |
| Contains | Merckia peploides (L.) G.Don Merckia physodes (Fisch. ex Ser.) Fisch. ex Cham. & Schltdl. |
| Remarks | later homonym (non Merkia Borkhausen 1792); Type: M. physodes (Fischer ex Seringe) Chamisso et Schlechtendal (Arenaria physodes Fischer ex Seringe); nom. syn. of Wilhelmsia H. G. L. Reichenbach 1828 |
| Citation | Jan 1826 Linnaea 1: 59 |