| Classification | Poaceae: Zea |
| Harvard University Herbaria Barcode(s) | 00247721 |
| Collector | H. H. Iltis & J. F. Doebley |
| Collector number | 7 Plant N |
| Country | Mexico |
| State | México |
| Geography | North America: North America (CA, US, MX) (Region): Mexico: México |
| Locality | Valley of Mexico: Km. 20.2 on W side of road to Texcoco, 1/2 Km N of Los Reyes interchange |
| Georeference | 19.35, -98.96666667 Method: Unknown |
| Date Collected | 1977-09-12 |
| Elevation | 2150 m |
| Habitat | Amongst depauperate maize plants half the size of teosinte in maize field. |
| Vernacular Name | Chalco Race |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ec9459f8-5e17-42e2-8f14-a5494dd27ed3 |
| Harvard University Herbaria Barcode | 00247721 |
| Herbarium | GH |
| Family | Poaceae |
| Determination | Zea mays subsp. mexicana (Schrader) Iltis |
| Date Determined | 1977 |
| Determination Remarks | [filed under] [label name] [current name] |
| Sex | not determined |
| Phenology | NotDetermined |
| Preparation Type | Sheet |
| Preparation Method | Pressed |
