| Name | Marsdenia quadrata P. I. Forster | 
| Authorship | P. I. Forster | 
| Rank | Species | 
| Placed in | Marsdenia R. Brown | 
| GUID | urn:lsid:ipni.org:names:985198-1 | 
| Citation | 1995 Austral. Syst. Bot. 8: 772 | 
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Marsdenia quadrata P. I. Forster | 
| Identification made in | 2012 (1) |