| Name | Chroococcus chalybeus (Kützing) Rabenhorst | 
| Authorship | (Kützing) Rabenhorst | 
| Rank | Species | 
| Placed in | Chroococcus Nägeli | 
| Citation | 1863 Krypt.-Fl. Sachsen 1: 69 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Chroococcus chalybeus (Kützing) Rabenhorst | 
| Identification made in | [no date] (1) | 
