| Classification | Asteraceae: Ambrosia |
| Classification 1 | Asteraceae: Franseria |
| Barcode(s) | 00000812 |
| Type Status | Isotype |
| Collector | J. L. Berlandier |
| Collector number | 2297 |
| Country | Mexico |
| State | Tamaulipas |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Tamaulipas: Matamoros |
| Locality | Near Matamoras |
| Date Collected | 1830-10-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/505f3bd6-cbe7-4fe9-9dce-8a7bffe398cd |
| Harvard University Herbaria Barcode | 00000812 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Ambrosia confertiflora de Candolle |
| Verified by | V. M. Bates |
| Date Determined | 1984 |
| Taxon Reference | (for Ambrosia confertiflora de Candolle) Prodr. [A. P. de Candolle] 1836. 5: 526. |
| Family | Asteraceae |
| Determination | Franseria tenuifolia var. tripinnatifida A. Gray |
| Determination Remarks | [label name] [current name] |
| Family | Asteraceae |
| Determination | Franseria confertiflora (de Candolle) Rydberg |
| Determination Remarks | [pencilled on sheet] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
| Item Remarks | [Mounted with non-type specimen of Parry & Palmer 433, 261716] |