| Name | Polychidium (Acharius) Gray |
| Authorship | (Acharius) Gray |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Lichens |
| Contains | Polychidium albociliatum (Desmazières) Zahlbruckner Polychidium dendriscum (Nylander) Henssen Polychidium intricatulum (Nylander) Henssen Polychidium muscicola (Swartz) Gray Polychidium sp. |
| Remarks | Basionym: Collema 'subdiv.' Polychidium Acharius, Lichenogr. Univ. 658. Apr-Mai 1810 Type: non designatus |
| Citation | 1 Nov 1821 Nat. Arr. Brit. Pl. 1: 401 |
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