| Classification | Polypodiaceae: Microsorum | 
| Harvard University Herbaria Barcode(s) | 02219144 | 
| Collector | C. M. Weber | 
| Collector number | 1542 | 
| Country | Philippines | 
| State | Cagayan | 
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Cagayan | 
| Locality | Abulug River | 
| Date Collected | 1912-01-** | 
| Project | All Asia Vascular Plants TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/7eeba959-288d-4a3c-9db1-277f2f848c05 | 
| Harvard University Herbaria Barcode | 02219144 | 
| Herbarium | GH | 
| Family | Polypodiaceae | 
| Determination | Microsorum longissimum Fée | 
| Determination Remarks | [filed under] [current name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |