| Classification | Asteraceae: Guardiola |
| Harvard University Herbaria Barcode(s) | 00008466 |
| Type Status | Holotype |
| Collector | Edw. Palmer |
| Collector number | 360 |
| Country | Mexico |
| State | Jalisco |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Jalisco |
| Locality | Tequila |
| Date Collected | 1886-09-** |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/8f3f1349-1d59-4ced-a9c0-d832484de27f |
| Harvard University Herbaria Barcode | 00008466 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Guardiola tulocarpus var. angustifolia A. Gray |
| Verified by | K. Gandhi (GH) |
| Date Determined | 2008-01-17 |
| Taxon Reference | (for Guardiola tulocarpus var. angustifolia A. Gray) Proc. Amer. Acad. Arts 1887. 22: 423. |
| Family | Asteraceae |
| Type Status | Holotype |
| Holotype of | Guardiola mexicana var. angustifolia A. Gray |
| Verified by | V. M. Bates (A/GH) |
| Date Determined | 1983 |
| Determination Remarks | Collation on annotation label is incorrect (22: 243) |
| Taxon Reference | (for Guardiola mexicana var. angustifolia A. Gray) Proc. Amer. Acad. Arts 1887. 22: 423. |
| Family | Asteraceae |
| Determination | Guardiola angustifolia (A. Gray) B. L. Robinson |
| Determined by | P. Van Faasen (MSC) |
| Date Determined | 1970-10-** |
| Determination Remarks | [current name] |
| Family | Asteraceae |
| Determination | Guardiola mexicana var. angustifolia A. Gray |
| Determination Remarks | [label name] |
| Family | Asteraceae |
| Determination | Guardiola angustifolia (A. Gray) B. L. Robinson |
| Determined by | B. L. Robinson (GH) |
| Annotation Text | type |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |