| Classification | Fagaceae: Quercus |
| Harvard University Herbaria Barcode(s) | 00055646 |
| Type Status | Holotype |
| Collector | C. H. Muller |
| Collector number | 2048 |
| Country | Mexico |
| State | Nuevo León |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Nuevo León: Santiago |
| Locality | Municipio de Villa Santiaga, Rancho Las Adjuntas, Cañon Manisio Anniba |
| Date Collected | 1935-06-25 |
| Verbatim Elevation | 1300 m |
| Habitat | along a wooded [illegible]tinary |
| Container | Plants of Mexico |
| Frequency | Rare |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/50ab6b56-1219-4935-84a7-04ae89f0d5e4 |
| Harvard University Herbaria Barcode | 00055646 |
| Herbarium | A |
| Family | Fagaceae |
| Type Status | Holotype |
| Holotype of | Quercus tenuiloba f. gracilis C. H. Müller |
| Verified by | Bartholomew, Bruce Monroe & Almeda, Frank |
| Date Determined | 2023-01-** |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | × tenuiloba nothof. gracilis; =Quercus × sierramadrensis C. H. Mull. |
| Taxon Reference | (for Quercus tenuiloba f. gracilis C. H. Müller) J. Arnold Arbor. 1936. 17: 178. |
| Family | Fagaceae |
| Determination | Quercus tenuiloba f. gracilis C. H. Müller |
| Determined by | Breedlove, Dennis Eugene |
| Date Determined | 1994 |
| Family | Fagaceae |
| Determination | Quercus tenuiloba f. gracilis C. H. Müller |
| Determination Remarks | [label name] |
| Annotation Text | (Type) |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
