| Name | Cladophora expansa (Mertens) Kützing | 
| Authorship | (Mertens) Kützing | 
| Rank | Species | 
| NomenclaturalStatus | Unknown | 
| Placed in | Cladophora Kützing | 
| Contains | Cladophora expansa var. glomerata Thuret ex Collins | 
| Remarks | Created from Taxon Name Import: Cladophora expansa (Mertens) Kützing | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cladophora expansa (Mertens) Kützing | 
| Identification made in | [no date] (2) | 
