| Name | Pseudorhizina californica (Phillips, W.) Harmaja | 
| Authorship | (Phillips, W.) Harmaja | 
| Rank | Species | 
| Placed in | Pseudorhizina Jaczewski | 
| Citation | 1973 Karstenia 13: 56 | 
| Holdings | 6 Specimens held in the Harvard University Herbaria identified as Pseudorhizina californica (Phillips, W.) Harmaja | 
| Identification made in | [no date] (6) |