| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Harvard University Herbaria Barcode(s) | 01002158 |
| Collector | RH & Delta [Rijksherbarium & Delta Institute for Hydrobiological Research] |
| Country | Netherlands |
| State | Zuid-Holland |
| Geography | Europe: Europe (Region) (Region): Netherlands: Zuid-Holland |
| Locality | Goeree-Overflakkee, Ouddorp |
| Georeference | 51° 46' 30" N, 3° 57' 40" W |
| Date Collected | 1975-01-15 |
| Substrate | on stones |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/47e8b8ec-3382-4404-8262-4bc67e2563a0 |
| Harvard University Herbaria Barcode | 01002158 |
| Herbarium | FH |
| Exsiccata | Algae Zeelandiae, RijksHerbarium & Delta Institute for Hydrobiological Research Fascicle 1 Number 18 |
| Family | Rhodomelaceae |
| Determination | Polysiphonia nigrescens (Hudson) Greville ex Harvey |
| Determined by | Prud'homme van Reine, W. F. |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
