| Classification | Cyanobacteria: Cyanophyceae: Oscillatoriales: Microcoleaceae: Porphyrosiphon |
| Harvard University Herbaria Barcode(s) | 00989040 |
| Collector | G. T. Velasquez |
| Collector number | 5543 |
| Country | Philippines |
| State | Rizal |
| Geography | Asia: Southeast Asia (Region): Philippines: Luzon: Rizal |
| Locality | Novaliches, Rizal |
| Date Collected | 1963-10-10 |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/87b7f569-f6f4-4bd6-a75d-bf38434da905 |
| Harvard University Herbaria Barcode | 00989040 |
| Herbarium | FH |
| Previous ownership | ex Herbarium of Cryptogamic Botany, University of the Philippines & National Science Development Board |
| Family | Microcoleaceae |
| Determination | Porphyrosiphon notarisii Kützing ex Gomont |
| Determination Remarks | [is filed under name] [is Current name] |
| Subcollection | Philippine Algae |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
