| Classification | Rhodophyta: Rhodomelaceae: Polysiphonia | 
| Barcode(s) | 00890225 | 
| Collector | J. Macoun | 
| Country | Canada | 
| State | Quebec Province | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Quebec Province | 
| Locality | [data not captured] | 
| Date Collected | 1907-08-26 | 
| Project | Macroalgae TCN | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/9e56c04a-17c0-4397-bed0-bdc16c632735 | 
| Harvard University Herbaria Barcode | 00890225 | 
| Herbarium | FH | 
| Family | Rhodomelaceae | 
| Determination |  Polysiphonia fucoides (Hudson) Greville | 
| Determination Remarks |  [filed under] [current name] | 
| Family | Rhodomelaceae | 
| Determination |  Polysiphonia nigrescens (Hudson) Greville ex Harvey | 
| Determination Remarks |  [label name] | 
| Sex | not determined | 
| Phenology | NotDetermined | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |