| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Classification 2 | Polygonaceae: Polygonum |
| Harvard University Herbaria Barcode(s) | 00036764 |
| Type Status | Holotype |
| Collector | C. C. Deam |
| Collector number | 374 |
| Country | Guatemala |
| Geography | North America: Central America (Region): Guatemala |
| Locality | Gualan |
| Date Collected | 1905-01-14 |
| Elevation | 128 m |
| Verbatim Elevation | 420 feet |
| Habitat | Swamp |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/c64f278f-625e-4700-b13b-a799b3fe8921 |
| Harvard University Herbaria Barcode | 00036764 |
| Herbarium | GH |
| Family | Polygonaceae |
| Determination | Polygonum longiocreatum Bartlett |
| Determined by | H.H.B. [H. H. Bartlett] |
| Determination Remarks | [is label name] |
| Annotation Text | sp. nov. |
| Family | Polygonaceae |
| Determination | InQuestion Polygonum densiflorum C. F. W. Meissner |
| Determined by | E.E.S. [E. E. Stanford] |
| Family | Polygonaceae |
| Determination | Polygonum densiflorum C. F. W. Meissner |
| Date Determined | 1977 |
| Family | Polygonaceae |
| Determination | Persicaria glabra (Willdenow) M. Gómez |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [is Current name] |
| Family | Polygonaceae |
| Type Status | Holotype |
| Holotype of | Polygonum longiocreatum Bartlett |
| Verified by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [is filed under name] |
| Taxon Reference | (for Polygonum longiocreatum Bartlett) Proc. Amer. Acad. Arts 1907. 43: 51. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
