| Name | Ptychococcus sp. | 
| Authorship | |
| Rank | Species | 
| Placed in | Ptychococcus | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ptychococcus sp. | 
| Identification made in | [no date] (2) | 
| Name | Ptychococcus sp. | 
| Authorship | |
| Rank | Species | 
| Placed in | Ptychococcus | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Ptychococcus sp. | 
| Identification made in | [no date] (2) | 
