| Classification | Polygonaceae: Polygonum |
| Classification 1 | Polygonaceae: Persicaria |
| Classification 2 | Polygonaceae: Tovara |
| Harvard University Herbaria Barcode(s) | 00055734 |
| Type Status | Isotype |
| Collector | A. D. E. Elmer |
| Collector number | 10754 |
| Country | Philippines |
| State | Davao |
| Geography | Asia: Southeast Asia (Region): Philippines: Davao |
| Locality | Todaya (Mt. Apo), Island of Mindanao |
| Date Collected | 1909-05-** |
| Container | Philippine Island Plants |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/f0d462c1-a1e5-4bf2-b50e-fa6577668e5e |
| Harvard University Herbaria Barcode | 00055734 |
| Herbarium | GH |
| Family | Polygonaceae |
| Type Status | Isotype |
| Isotype of | Polygonum apoense Elmer |
| Verified by | J. H. Mun & C. W. Park (SNU) |
| Date Determined | 1995-02-11 |
| Determination Remarks | [filed under] |
| Taxon Reference | (for Polygonum apoense Elmer) Leafl. Philipp. Bot. 1915. 8: 2798. |
| Family | Polygonaceae |
| Determination | Persicaria filiformis (Thunberg) Nakai |
| Determined by | Kittredge, Walter Tobey |
| Date Determined | 2019 |
| Determination Remarks | [current name] |
| Family | Polygonaceae |
| Determination | Tovara virginiana var. apoensis (Elmer) Steward |
| Determined by | A.N.S. [A. N. Steward] (GH) |
| Date Determined | 1928 |
| Family | Polygonaceae |
| Determination | Polygonum apoense Elmer |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
