| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia |
| Harvard University Herbaria Barcode(s) | 00976507 |
| Collector | [data not captured] |
| Country | United States of America |
| State | Rhode Island |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island: Newport County: Newport |
| Locality | [no additional data] |
| Date Collected | 1898-05-** |
| Habitat | in tide-pools and floating |
| Project | Macroalgae TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5a0ce13f-28f7-4241-b2e2-adc5bc885e10 |
| Harvard University Herbaria Barcode | 00976507 |
| Herbarium | FH |
| Previous ownership | ex Boston Society of Natural History; ex Phycotheca Boreali-Americana 596 |
| Family | Rhodomelaceae |
| Determination | Polysiphonia nigrescens var. affinis (Moore) Harvey |
| Determination Remarks | [filed under] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
