| Classification | Asteraceae: Riddellia |
| Classification 1 | Asteraceae: Psilostrophe |
| Harvard University Herbaria Barcode(s) | 00011503 |
| Type Status | Isotype |
| Collector | C. V. Hartman |
| Collector number | 726 |
| Country | Mexico |
| Geography | North America: North America (CA, US, MX) (Region): Mexico |
| Locality | Near Laguna de Guzman |
| Date Collected | 1891-07-16 |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3f9931da-e8d5-4e5e-8993-93d0cc149e6d |
| Harvard University Herbaria Barcode | 00011503 |
| Herbarium | GH |
| Family | Asteraceae |
| Determination | Riddellia tagetina Nuttall |
| Determination Remarks | [is label name] |
| Family | Asteraceae |
| Determination | Psilostrophe tagetina (Nuttall) Greene |
| Determined by | C.B. Heiser, Jr. |
| Date Determined | 1944 |
| Family | Asteraceae |
| Determination | Psilostrophe tagetina (Nuttall) Greene |
| Determined by | R. C. Brown |
| Date Determined | 1972-05-** |
| Determination Remarks | [is Current name] |
| Annotation Text | Isotype |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Psilostrophe hartmanii Rydberg |
| Verified by | LAPI Team (GH) |
| Date Determined | 2008-07-10 |
| Taxon Reference | (for Psilostrophe hartmanii Rydberg) N. Amer. Fl. 1914. 34: 8. |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
