| Name | Plagidia |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Caryophyllaceae |
| Contains | Plagidia baldwinii (Torr. & A.Gray) Nieuwl. Plagidia herniarioides (Michx.) Nieuwl. Plagidia montana (Small) Nieuwl. Plagidia riparia (Chapm.) Nieuwl. Plagidia rufa Raf. Plagidia sp. |