| Classification | Polygonaceae: Polygonum | 
| Harvard University Herbaria Barcode(s) | 00036669 | 
| Type Status | Type | 
| Collector | M. L. Fernald & H. St. John | 
| Collector number | 11042 | 
| Country | Canada | 
| State | Nova Scotia | 
| Geography | North America: North America (CA, US, MX) (Region): Canada: Nova Scotia: Cape Breton Island: Cape Breton County (Nova Scotia) | 
| Locality | Bras d'Or Lake, Grand Narrow | 
| Date Collected | 1914-07-20 | 
| Habitat | Gravelly beach | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f15e0247-0bb4-4011-b860-ac16521960e5 | 
| Harvard University Herbaria Barcode | 00036669 | 
| Herbarium | GH | 
| Family | Polygonaceae | 
| Type Status | Type | 
| Type of | Polygonum acadiense Fernald | 
| Taxon Reference | (for  Polygonum acadiense Fernald) Rhodora 1914. 16: 188. | 
| Family | Polygonaceae | 
| Determination | Polygonum oxyspermum subsp. oxyspermum | 
| Determined by | M. Costea (OAC) | 
| Date Determined | 2003 | 
| Determination Remarks | [current name] | 
| Family | Polygonaceae | 
| Determination | Polygonum oxyspermum C. A. Meyer & Bunge | 
| Determined by | O. v. Yurtseva (MW) | 
| Date Determined | 1999 | 
| Family | Polygonaceae | 
| Determination | Polygonum oxyspermum C. A. Meyer & Bunge | 
| Determined by | T. R. Mertens & P. H. Raven | 
| Date Determined | 1964 | 
| Family | Polygonaceae | 
| Determination | Polygonum acadiense Fernald | 
| Determination Remarks | [label name] | 
| Annotation Text | n. sp. | 
| Family | Polygonaceae | 
| Determination | Polygonum oxyspermum C. A. Meyer & Bunge | 
| Determined by | M. L. Fernald | 
| Determination Remarks | [M. L. Fernald (scripsit)] | 
| Sex | not determined | 
| Phenology | Flower | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |