| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Harvard University Herbaria Barcode(s) | 00858057 |
| Collector | T. Broeksmit |
| Country | France |
| State | Provence-Alpes-Côte d'Azur |
| Geography | Europe: Europe (Region) (Region): France: Provence-Alpes-Côte d'Azur: Alpes-Maritimes |
| Locality | ligurisches Meer, Frankreich, bei Antibes |
| Date Collected | 1925-04-** |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/cc4992e3-50a4-4a62-b7dd-f47a362b600d |
| Harvard University Herbaria Barcode | 00858057 |
| Herbarium | FH |
| Exsiccata | Algae Marinae Exsiccatae Number 305 |
| Family | Rhodomelaceae |
| Determination | Polysiphonia opaca (C.Agardh) Moris & De Notaris |
| Determined by | Schiffner, Victor Felix |
| Determination Remarks | [is filed under name] [is Current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
