| Name | Atrichum undulatum (Hedwig) P. Beauvois |
| Authorship | (Hedwig) P. Beauvois |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Atrichum |
| Contains | Atrichum undulatum var. altercristatum Renauld & Cardot Atrichum undulatum var. haussknechtii (Juratzka & Milde) Frye Atrichum undulatum var. minus (Hedwig) Paris |
| Holdings | 250 Specimens held in the Harvard University Herbaria identified as Atrichum undulatum (Hedwig) P. Beauvois |
| Identification made in | [no date] (247), 1968 (1), 1972 (1), 2018 (1) |