| Name | Orthotrichum holzingeri Renauld & Cardot |
| Authorship | Renauld & Cardot |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Orthotrichum |
| Citation | 1895 Contr. U.S. Natl. Herb. 3: 270 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Orthotrichum holzingeri Renauld & Cardot |
| Identification made in | [no date] (2), 1970 (1) |