| Classification | Polytrichaceae: Atrichum |
| Barcode(s) | 00059057 |
| Type Status | Isosyntype |
| Collector | F. Bischoff |
| Country | United States of America |
| State | Pennsylvania |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Pennsylvania |
| Locality | Reading |
| Remarks | =Atrichum altercristatum (Renauld & Cardot) Ireland; specimen with sporophytes |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f23e50f9-44f4-4d52-891f-dd30a439ebc4 |
| Harvard University Herbaria Barcode | 00059057 |
| Herbarium | FH |
| Family | Polytrichaceae |
| Type Status | Isosyntype |
| Isosyntype of | Atrichum undulatum var. altercristatum Renauld & Cardot |
| Verified by | B. C. Tan |
| Taxon Reference | (for Atrichum undulatum var. altercristatum Renauld & Cardot) Bot. Gaz. 1890. 15: 58. |
| Family | Polytrichaceae |
| Determination | Atrichum altercristatum (Renauld & Cardot) Ireland |
| Determination Remarks | [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Packet |
| Preparation Method | Dried |
