| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Harvard University Herbaria Barcode(s) | 01002940 |
| Collector | [data not captured] |
| Collector number | 9595 |
| Country | Canada |
| State | Newfoundland & Labrador |
| Geography | North America: North America (CA, US, MX) (Region): Canada: Newfoundland & Labrador: Newfoundland Island: Bonavista Bay |
| Locality | Broad Cove, Bonavista Bay |
| Georeference | 48° 39' N, 53° 53' 5" W |
| Date Collected | 1972-07-10 |
| Habitat | lowshore to 3m. in a very sheltered locality, water 24C, air temperature 25C, salinity 21/00 |
| Substrate | rocks and algae |
| Frequency | common |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/548db03a-9505-4b07-9b7c-9f35b2a8da65 |
| Harvard University Herbaria Barcode | 01002940 |
| Herbarium | FH |
| Previous ownership | ex Phycological Herbarium, Memorial University of Newfoundlound, St. John's |
| Exsiccata | Algae Terrae Novae Fascicle 6 Number 121 |
| Family | Rhodomelaceae |
| Determination | Polysiphonia nigrescens (Hudson) Greville ex Harvey |
| Determined by | R. Hooper |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |