| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00866313 |
| Type Status | Isosyntype |
| Collector | S. T. Olney |
| Country | United States of America |
| State | Rhode Island |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Rhode Island: Bristol County: Barrington |
| Locality | Barrington |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/92ada82d-ea82-4c04-9a78-3ae47445ec32 |
| Harvard University Herbaria Barcode | 00866313 |
| Herbarium | NEBC |
| Previous ownership | Ex Herbarium Olneyanum. [Ex] Herb. William Boott. Ex Herb. A. Gray |
| Family | Polygonaceae |
| Type Status | Isosyntype |
| Isosyntype of | Polygonum exsertum Small |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Polygonum exsertum Small) Bull. Torrey Bot. Club 1894. 21(4): 172-173, pl. 195. |
| Family | Polygonaceae |
| Determination | Polygonum ramosissimum Michaux |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [current name] |
| Annotation Text | ssp. ramosissimum |
| Family | Polygonaceae |
| Determination | Polygonum ramosissimum Michaux |
| Determination Remarks | [label name] |
| Family | Polygonaceae |
| Determination | Polygonum exsertum Small |
| Determined by | [annotation on provenance label] |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |