| Name | Cratoneuron williamsii Grout |
| Authorship | Grout |
| Rank | Species |
| Placed in | Cratoneuron |
| Citation | 1934 Moss Fl. N. Amer. 3: 267. |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cratoneuron williamsii Grout |
| Identification made in | [no date] (1) |