| Classification | Fagaceae: Quercus | 
| Harvard University Herbaria Barcode(s) | 00071008 | 
| Type Status | Isolectotype | 
| Collector | K. T. Hartweg | 
| Collector number | 424 | 
| Country | Mexico | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/3067d95b-4a49-485f-970b-e19ef093ba16 | 
| Harvard University Herbaria Barcode | 00071008 | 
| Herbarium | A | 
| Previous ownership | Ex Herb. Geo. Gordon | 
| Family | Fagaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Quercus errans Trelease | 
| Verified by | Bartholomew, Bruce Monroe & Almeda, Frank | 
| Date Determined | 2023-01-** | 
| Determination Remarks | [filed under] | 
| Annotation Text | = Quercus crassifolia Bonpl. | 
| Taxon Reference | (for  Quercus errans Trelease) Mem. Natl. Acad. Sci. 1924. 20: 131, pl. 245 . | 
| Family | Fagaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Quercus splendens var. pallidior A. de Candolle | 
| Verified by | Bartholomew, Bruce Monroe & Almeda, Frank | 
| Date Determined | 2023-01-** | 
| Annotation Text | = Quercus crassifolia Bonpl. | 
| Taxon Reference | (for  Quercus splendens var. pallidior A. de Candolle) Prodr. [A. P. de Candolle] 1864. 16(2.1): 57. | 
| Family | Fagaceae | 
| Determination | Quercus crassifolia Bonpland | 
| Determined by | Breedlove, Dennis Eugene | 
| Date Determined | 1994 | 
| Determination Remarks | [current name] | 
| Family | Fagaceae | 
| Determination | Quercus splendens var. pallidior A. de Candolle | 
| Determined by | Bartholomew, Bruce Monroe | 
| Date Determined | 1999 | 
| Annotation Text | Isotype; Hartweg 424 | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |