| Classification | Euphorbiaceae: Euphorbia |
| Classification 1 | Euphorbiaceae: Chamaesyce |
| Harvard University Herbaria Barcode(s) | 00045916 |
| Type Status | Holotype |
| Collector | A. Ducke |
| Collector number | 18534 |
| Country | Brazil |
| State | Pará |
| Geography | South America: South America (Region) (Region): Brazil: Pará |
| Locality | Tapajoz medii, Furnas |
| Date Collected | 1923-07-27 |
| Habitat | Ad ripas arenosis fluminis |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8cd6fccd-b802-4579-b7a0-16431698b0d0 |
| Harvard University Herbaria Barcode | 00045916 |
| Herbarium | A |
| Previous ownership | Ex Jardim Botanico do Rio de Janeiro Herbario |
| Family | Euphorbiaceae |
| Determination | Euphorbia sp. |
| Determination Remarks | [is label name] |
| Family | Euphorbiaceae |
| Determination | Chamaesyce duckei Croizat |
| Determined by | L. Croizat (A) |
| Date Determined | 1938 |
| Determination Remarks | [is label name] |
| Annotation Text | sp. n.; Holotypus! |
| Family | Euphorbiaceae |
| Determination | Chamaesyce duckei Croizat |
| Determined by | L. C. [L. Croizat (A)] |
| Date Determined | 1942-10-22 |
| Determination Remarks | [is Current name] |
| Family | Euphorbiaceae |
| Type Status | Holotype |
| Holotype of | Chamaesyce duckei Croizat |
| Taxon Reference | (for Chamaesyce duckei Croizat) J. Arnold Arbor. 1943. 24: 185. |
| Sex | not determined |
| Phenology | Flower |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
