| Classification | Euphorbiaceae: Siphonia |
| Classification 1 | Euphorbiaceae: Hevea |
| Classification 2 | Euphorbiaceae: Siphonia |
| Harvard University Herbaria Barcode(s) | 00048111 |
| Type Status | Isotype |
| Collector | R. Spruce |
| Collector number | 2527 |
| Country | Brazil |
| Geography | South America: South America (Region) (Region): Brazil |
| Locality | Prope Panure, ad Rio Uaupes |
| Date Collected | 1852-10-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/52950c14-d085-4941-825c-a4f286374558 |
| Harvard University Herbaria Barcode | 00048111 |
| Herbarium | GH |
| Family | Euphorbiaceae |
| Determination | Siphonia rigidifolia Spruce ex Bentham |
| Determination Remarks | [is label name] |
| Family | Euphorbiaceae |
| Determination | Hevea rigidifolia Müller Argoviensis |
| Determined by | I.M.J. |
| Date Determined | 1922 |
| Annotation Text | Nomencl. Rev. Acc. to Internat. Rules |
| Family | Euphorbiaceae |
| Determination | Hevea rigidifolia Müller Argoviensis |
| Determined by | R.J. Seibert |
| Determination Remarks | [is Current name] |
| Family | Euphorbiaceae |
| Type Status | Isotype |
| Isotype of | Siphonia rigidifolia Spruce ex Bentham |
| Taxon Reference | (for Siphonia rigidifolia Spruce ex Bentham) Hooker's J. Bot. Kew Gard. Misc. 1854. 6: 371. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
