| Name | Calliergon richardsonii (Mitten) Kindberg | 
| Authorship | (Mitten) Kindberg | 
| Rank | Species | 
| NomenclaturalStatus | NomLeg | 
| Placed in | Calliergon | 
| Contains | Calliergon richardsonii var. fluitans (Bryhn) Brotherus Calliergon richardsonii var. pungens Bryhn | 
| Citation | 1897 Eur. N. Amer. Bryin. 1: 79 | 
| Holdings | 39 Specimens held in the Harvard University Herbaria identified as Calliergon richardsonii (Mitten) Kindberg | 
| Identification made in | [no date] (37), 2004 (2) | 
