| Name | Cynoxylon nuttallii (Audubon) Shafer | 
| Authorship | (Audubon) Shafer | 
| Rank | Species | 
| Placed in | Cynoxylon (Rafinesque) Small | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cynoxylon nuttallii (Audubon) Shafer | 
| Identification made in | [no date] (2) |