| Classification | Fagaceae: Quercus |
| Harvard University Herbaria Barcode(s) | 00069898 |
| Type Status | Isolectotype |
| Collector | F. L. Wynd & C. H. Mueller |
| Collector number | 639 |
| Country | Mexico |
| State | Coahuila |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: Coahuila: Acuña |
| Locality | Municipia de Villa Acuña, Sierra del Carmen, Canyon de Sentenela on Hacienda Piedra Blanca |
| Date Collected | 1936-07-09 |
| Habitat | high slope with northwest exposure |
| Container | Plants of Mexico |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/35823e21-e0ff-4147-9d19-7368e4ab3b4f |
| Harvard University Herbaria Barcode | 00069898 |
| Herbarium | A |
| Family | Fagaceae |
| Type Status | Isolectotype |
| Isolectotype of | Quercus carmenensis C. H. Müller |
| Verified by | Bartholomew, Bruce Monroe & Almeda, Frank |
| Date Determined | 2023-01-** |
| Determination Remarks | [filed under] [current name] |
| Annotation Text | =Quercus undulata Torr. |
| Taxon Reference | (for Quercus carmenensis C. H. Müller) Amer. Midl. Naturalist 1937. 18: 847. |
| Family | Fagaceae |
| Determination | Quercus undulata Torrey |
| Determined by | Muller, Cornelius Herman |
| Date Determined | 1943-12-21 |
| Annotation Text | (Isotype of Q. carmenensis C. H. Mull.) |
| Family | Fagaceae |
| Determination | Quercus carmenensis C. H. Müller |
| Determined by | Bartholomew, Bruce Monroe |
| Date Determined | 1999 |
| Annotation Text | sotype |
| Family | Fagaceae |
| Determination | Quercus undulata Torrey |
| Determined by | Breedlove, Dennis Eugene |
| Date Determined | 1994 |
| Family | Fagaceae |
| Determination | Quercus obtusifolia (A. de Candolle) Rydberg |
| Determination Remarks | [label name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
