| Organization/individual conserving the PGRFA | Centro Internacional de Mejoramiento de Maíz y Trigo Carretera Mexico-Veracruz Km. 45, El Batan
56237 Texcoco de Mora, Méx. Mexico WIEWS code: MEX002 [Details] Easy-SMTA PID: 00AC11 | | Local identifier | CIMMYTMA 638 | | Date | 1985-12-01 | | Creation method | Acquisition | | Taxon | Zea mays L. subsp. mays L. | | Common name | Maize |
| | Biological status | Traditional cultivar/landrace | | Names | SONO 4 | | Other identifiers | | Other | CIMMYTMA-BANK-000638 | | Other | SONO,4 | | Other | SONORA 4 | | Other | MAIZON OBREGONENO | | Other | NRC 4076 | | Other | GID 243738 | | Other | PI 479068 | | Other | MEX 7249 |
| | MLS status | Included | | Historical | No |
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