| Classification | Fagaceae: Quercus | 
| Harvard University Herbaria Barcode(s) | 00055670 | 
| Type Status | Isolectotype | 
| Collector | C. G. Pringle | 
| Collector number | 10120 | 
| Country | Mexico | 
| State | Coahuila | 
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila | 
| Locality | Mountains near Saltillol | 
| Date Collected | 1905-11-06 | 
| Verbatim Elevation | 7000 ft | 
| Container | Plantae Mexicanae | 
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/61b73663-4a6d-4e55-9976-5a737434da38 | 
| Harvard University Herbaria Barcode | 00055670 | 
| Herbarium | GH | 
| Family | Fagaceae | 
| Type Status | Isolectotype | 
| Isolectotype of | Quercus loesneri Trelease | 
| Verified by | Bartholomew, Bruce Monroe & Almeda, Frank | 
| Date Determined | 2023-01-** | 
| Determination Remarks | [filed under] [current name] | 
| Annotation Text | =Quercus greggii (A.DC.) Trel. | 
| Taxon Reference | (for  Quercus loesneri Trelease) Mem. Natl. Acad. Sci. 1924. 20: 79. | 
| Family | Fagaceae | 
| Determination | Quercus loesneri Trelease | 
| Determined by | Breedlove, Dennis Eugene | 
| Date Determined | 1994 | 
| Family | Fagaceae | 
| Determination | Quercus loesneri Trelease | 
| Determined by | Trelease, William | 
| Annotation Text | Isotype [written on sheet] | 
| Family | Fagaceae | 
| Determination | Quercus greggii Trelease | 
| Determined by | Muller, Cornelius Herman | 
| Date Determined | 1943-12-21 | 
| Family | Fagaceae | 
| Determination | Quercus dysophylla Bentham | 
| Determination Remarks | [label name] | 
| Sex | not determined | 
| Phenology | Fruit | 
| Preparation Type | Sheet | 
| Preparation Method | Pressed |