| Classification | Fagaceae: Quercus |
| Barcode(s) | 00055638 |
| Type Status | Holotype |
| Collector | C. H. Muller & M. T. Muller |
| Collector number | 1347 |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León |
| Locality | Cañon Guajuco, Municipio de Villa Santiago. |
| Date Collected | 1934-08-15 |
| Verbatim Elevation | 1400 m |
| Habitat | wooded but rather dry slopes |
| Container | Plants of Mexico: State of Nuevo Leon |
| Frequency | Scattered |
| Remarks | Collected for the Arnold Arboretum, Harvard University |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/e2ff164e-853a-4e33-a242-cb706d91cb5b |
| Harvard University Herbaria Barcode | 00055638 |
| Herbarium | A |
| Family | Fagaceae |
| Type Status | Holotype |
| Holotype of | Quercus canbyi f. attenuata C. H. Müller |
| Verified by | Bartholomew, Bruce Monroe & Almeda, Frank |
| Date Determined | 2023-01-** |
| Determination Remarks | [filed under] |
| Annotation Text | = Quercus canbyi Trel. |
| Taxon Reference | (for Quercus canbyi f. attenuata C. H. Müller) J. Arnold Arbor. 1936. 17: 175. |
| Family | Fagaceae |
| Determination | Quercus canbyi Trelease |
| Determined by | Bartholomew, Bruce Monroe & Almeda, Frank |
| Date Determined | 2023-01-** |
| Determination Remarks | [current name] |
| Family | Fagaceae |
| Determination | Quercus canbyi f. attenuata C. H. Müller |
| Determined by | Breedlove, Dennis Eugene |
| Date Determined | 1994 |
| Annotation Text | Holotype |
| Family | Fagaceae |
| Determination | Quercus canbyi f. attenuata C. H. Müller |
| Determined by | Muller, Cornelius Herman |
| Determination Remarks | [label name] |
| Annotation Text | TYPE |
| Sex | not determined |
| Phenology | Fruit |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
