| Classification | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00032603 |
| Type Status | Holotype |
| Collector | C. L. McKay |
| Country | United States of America |
| State | Alaska |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Alaska: Unorganized Borough: Dillingham Census Area: Nushagak |
| Locality | 59° N, 158° W |
| Date Collected | 1882-08-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/5804d218-84c6-473d-8745-a9447f078eb2 |
| Harvard University Herbaria Barcode | 00032603 |
| Herbarium | GH |
| Family | Polygonaceae |
| Type Status | Holotype |
| Holotype of | Polygonum caurianum B. L. Robinson |
| Taxon Reference | (for Polygonum caurianum B. L. Robinson) Proc. Boston Soc. Nat. Hist. 1904. 31: 264. |
| Family | Polygonaceae |
| Determination | Polygonum humifusum subsp. caurianum (B. L. Robinson) Costea & Tardif |
| Determination Remarks | [current name] |
| Family | Polygonaceae |
| Determination | Polygonum humifusum Merk ex C. Koch |
| Determined by | O. V. Yurtseva (MW) |
| Date Determined | 1999 |
| Family | Polygonaceae |
| Determination | Polygonum caurianum B. L. Robinson |
| Determined by | H. Hinds (UNB) |
| Date Determined | 1994 |
| Family | Polygonaceae |
| Determination | Polygonum aviculare Linnaeus |
| Determination Remarks | [label name] |
| Family | Polygonaceae |
| Determination | Polygonum caurianum B. L. Robinson |
| Determined by | B. L. Robinson |
| Determination Remarks | [B. L. Robinson (scripsit)] [label name] |
| Annotation Text | n. sp. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
