| Name | Chamaegeron oligocephalus Schrenk | 
| Authorship | Schrenk | 
| Rank | Species | 
| Placed in | Chamaegeron | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Chamaegeron oligocephalus Schrenk | 
| Identification made in | [no date] (1), 2014 (2) | 
| Name | Chamaegeron oligocephalus Schrenk | 
| Authorship | Schrenk | 
| Rank | Species | 
| Placed in | Chamaegeron | 
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Chamaegeron oligocephalus Schrenk | 
| Identification made in | [no date] (1), 2014 (2) | 
