| Name | Phascum cuspidatum var. americanum Renauld & Cardot | 
| Authorship | Renauld & Cardot | 
| Rank | Variety | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Phascum cuspidatum Hedwig | 
| Citation | 1900 Bot. Gaz. 30: 12 | 
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Phascum cuspidatum var. americanum Renauld & Cardot | 
| Identification made in | [no date] (4) | 
