| Classification | Polygonaceae |
| Classification 1 | Polygonaceae: Rumex |
| Harvard University Herbaria Barcode(s) | 00643954 |
| Collector | C. E. Perkins |
| Country | United States of America |
| State | Massachusetts |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Massachusetts: Suffolk County: Boston |
| Locality | Charlestown |
| Date Collected | 1882 [1882] |
| Project | New England Vascular Plants TCN |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ac4fa63c-344c-4830-aaa5-b21c66a61867 |
| Harvard University Herbaria Barcode | 00643954 |
| Herbarium | NEBC |
| Family | Polygonaceae |
| Determination | Emex spinosa (Linnaeus) Campdera |
| Determination Remarks | [0] [is label name] |
| Family | Polygonaceae |
| Determination | Rumex spinosus Linnaeus |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2018 |
| Determination Remarks | [is filed under name] [is Current name] |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
