| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00036761 |
| Type Status | Holotype |
| Collector | M. L. Fernald & B. H. Long |
| Collector number | 13937 |
| Country | United States of America |
| State | Virginia |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Virginia |
| Locality | Near Blackwater River, southeast of Ivor |
| Date Collected | 1941-10-16 |
| Habitat | Dry sand of gravel-pit |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/14f52994-5977-41ad-841a-a7ed7a9a8a45 |
| Harvard University Herbaria Barcode | 00036761 |
| Herbarium | GH |
| Family | Polygonaceae |
| Type Status | Holotype |
| Holotype of | Polygonum tenue var. protrusum Fernald |
| Taxon Reference | (for Polygonum tenue var. protrusum Fernald) Rhodora 1942. 44: 393. |
| Family | Polygonaceae |
| Determination | Polygonum tenue Michaux |
| Determination Remarks | [current name] |
| Family | Polygonaceae |
| Determination | Polygonum tenue var. protrusum Fernald |
| Determined by | M. L. Fernald |
| Determination Remarks | [label name] |
| Annotation Text | var.nov. Type no. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
