| Classification | Euphorbiaceae: Chamaesyce |
| Classification 1 | Euphorbiaceae: Euphorbia |
| Barcode(s) | 00003413 |
| Type Status | Holotype |
| Collector | Peter (Pedro) Jörgensen |
| Collector number | 1621 |
| Country | Argentina |
| State | Catamarca |
| Geography | South America: South America (Region) (Region): Argentina: Catamarca: Andalgala |
| Locality | Andalgala |
| Date Collected | 1916-01-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e9537d2b-3be0-4a33-92db-cfe599b19ebe |
| Harvard University Herbaria Barcode | 00003413 |
| Herbarium | A |
| Previous ownership | Ex Instituto de Botanica Darwinion |
| Family | Euphorbiaceae |
| Type Status | Holotype |
| Holotype of | Chamaesyce catamarcensis Croizat |
| Taxon Reference | (for Chamaesyce catamarcensis Croizat) J. Arnold Arbor. 1943. 24: 187. |
| Family | Euphorbiaceae |
| Determination | Chamaesyce catamarcensis Croizat |
| Determined by | L. Croizat |
| Date Determined | 1942-12-02 |
| Determination Remarks | [current name] |
| Annotation Text | Holotypus! |
| Family | Euphorbiaceae |
| Determination | Euphorbia sp. |
| Determined by | L. Croizat |
| Date Determined | 1944 |
| Determination Remarks | All but genus crossed out [label name] |
| Annotation Text | Euphorbia caecorum Mart. ex Boiss. var microgyna Croiz. |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | mounted with drawing |