| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Harvard University Herbaria Barcode(s) | 00858058 |
| Collector | V. F. Schiffner |
| Country | Croatia |
| Geography | Europe: Europe (Region) (Region): Croatia |
| Locality | Adria: Dalmatien, Ragusa , Halbinsel Lapad, in einer ruhigen Grotte |
| Date Collected | 1926-04-04 |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/bc9e8961-7c1d-48af-8b4c-6cafaa80a4ea |
| Harvard University Herbaria Barcode | 00858058 |
| Herbarium | FH |
| Exsiccata | Algae Marinae Exsiccatae Number 306 |
| 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 |
