| Name | Catenella opuntia var. pinnata Harvey ex J. Agardh | 
| Authorship | Harvey ex J. Agardh | 
| Rank | Variety | 
| Placed in | Catenella opuntia (Goodenough & Woodward) Greville | 
| Citation | 1876 Sp. Alg. [Kützing] 3(1): 588 | 
| Holdings | 8 Specimens held in the Harvard University Herbaria identified as Catenella opuntia var. pinnata Harvey ex J. Agardh | 
| Identification made in | [no date] (8) | 
