| Classification | Asteraceae: Grindelia |
| Harvard University Herbaria Barcode(s) | 00008441 |
| Type Status | Isotype |
| Collector | R. J. Ferris & C. D. Duncan |
| Collector number | 3391 |
| Country | United States of America |
| State | Texas |
| Geography | North America: North America (CA, US, MX) (Region): United States of America: Texas: Floyd County |
| Locality | 16 miles east of Lockney on Quitaque Road. |
| Date Collected | 1921-08-23 |
| Habitat | roadside marsh |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e0b9187f-cd64-43fe-ae27-09c474eecf6e |
| Harvard University Herbaria Barcode | 00008441 |
| Herbarium | GH |
| Family | Asteraceae |
| Type Status | Isotype |
| Isotype of | Grindelia squarrosa f. angustior Steyermark |
| Verified by | Wetter, Mark Allen |
| Date Determined | 1983-04-** |
| Determination Remarks | [filed under] |
| Annotation Text | ISOTYPE |
| Taxon Reference | (for Grindelia squarrosa f. angustior Steyermark) Ann. Missouri Bot. Gard. 1934. 21: 481. |
| Family | Asteraceae |
| Determination | Grindelia squarrosa var. nuda (Alph. Wood) A. Gray |
| Determined by | A. Bartoli |
| Date Determined | 2007-05-03 |
| Family | Asteraceae |
| Determination | Grindelia squarrosa f. angustior Steyermark |
| Determined by | J. A. Steyermark |
| Date Determined | 1933-04-28 |
| Family | Asteraceae |
| Determination | Grindelia squarrosa (Pursh) Dunal |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
