| Code | Definition | Number of Accessions |
| ALAZAN | Alazan | 2 |
| AMARIL | Amarillo | 1 |
| ANCASH | Ancashino | 1 |
| ANCHO | Ancho | 11 |
| ANDAQU | Andaqui | 5 |
| APACHI | Apachito | 19 |
| AREQUI | Arequipeno | 1 |
| ARGENT | Argentino | 4 |
| ARIZON | Arizona | 2 |
| ARROAM | Arrocillo Amarillo | 24 |
| AVMORO | Avati' Moroti' | 1 |
| AZUL | Azul | 6 |
| BHDENT | Blanco Harinoso Dentado | 2 |
| BLANSO | Blandito de Sonora | 5 |
| BLASON | Maiz Blando/Harinoso de Sonora | 2 |
| BOFO | Bofo | 20 |
| BOLITA | Bolita | 58 |
| BRACPP | Brachytic Popcorn | 1 |
| BREVPA | | 2 |
| CACAHU | Cacahuazintle | 18 |
| CAINGA | Caingang | 1 |
| CALWFT | Calchaqui White Flint | 1 |
| CANILL | Canilla | 42 |
| CARIAC | Cariaco | 5 |
| CARMEN | Carmen | 1 |
| CATETO | Cateto | 10 |
| CATPAG | Cateto Paulista Grosso (Cateto Grosso) | 2 |
| CATSUL | Cateto Sulino | 1 |
| CELAYA | Celaya | 94 |
| CHALQU | Chalqueno | 101 |
| CHANCA | Chancayano | 3 |
| CHANDE | Chandelle | 5 |
| CHAPAL | Chapalote | 1 |
| CHARUA | Charua | 2 |
| CHILLO | Chillo | 13 |
| CHOCOC | Chococeno | 4 |
| CHULLP | Chullpi | 4 |
| CLAVIL | Clavillo | 14 |
| COLCAT | Colorado Cateto | 3 |
| COLORA | Colorado | 6 |
| COMITE | Comiteco | 4 |
| COMUN | Comun | 1 |
| CONEJO | Conejo | 2 |
| CONICO | Conico | 104 |
| CONNOR | Conico Norteno | 49 |
| CORNBD | Corn Belt Dent | 4 |
| COSTEN | Costeno | 3 |
| COTRFT | Costal Tropical Flint | 1 |
| CRCHIH | Cristalino de Chihuahua | 58 |
| CRIOLL | Criollo | 39 |
| CRISBL | Cristalino Blanco | 2 |
| CRISTA | Cristal | 3 |
| CRLINO | Cristalino | 1 |
| CSERJA | Complejo Serrano de Jalisco, Serrano Tapalpa | 1 |
| CUBAAM | Cuban Yellow Flint | 1 |
| CUBANO | Cuban Yellow Flint/Dent | 3 |
| CUZCO | Cuzco | 6 |
| DENTAD | Dentado | 4 |
| DIENCA | Diente de Caballo | 1 |
| DULNOR | Dulcillo de Noroeste | 6 |
| DZITBA | Dzit-Bacal | 13 |
| EARCAR | Early Caribbean | 14 |
| ELOTCO | Elote Conico | 11 |
| ELOTOC | Elotes Occidentales | 5 |
| FASCIA | Faciado/Faciated | 21 |
| FTCUBA | Cuban Flint | 20 |
| GORDO | Gordo | 7 |
| GRUESO | Grueso | 7 |
| HAITYE | Haiti Yellow | 2 |
| HARIN8 | Harinoso de Ocho | 3 |
| HARINO | Harinoso | 3 |
| HUANCA | Huancavelicano | 1 |
| HUANDA | Huandango | 24 |
| JALA | Jala | 4 |
| LADYFI | Lady Finger | 1 |
| LENHA | Lenha | 17 |
| MAIZON | Maizon | 4 |
| MARANO | Maranon | 1 |
| MDULCE | Maiz Dulce | 4 |
| MEZCLA | Mixture of Races | 37 |
| MISHCA | Mishca | 1 |
| MOCHER | Mochero | 1 |
| MOROCH | Morocho | 2 |
| MUSHIT | Mushito is a very productive late corn grown at 2400 meters elevation near Suchixtepec, Oaxaca. Typical ears are mostly cylindrical in shap, 6 to 8 inches long, with 10-12 rows of well dented kernels. It may be a modern type in some way derived from Comiteco. | 11 |
| NALTE8 | Nal-Tel de Ocho | 1 |
| NALTEL | Nal-Tel | 100 |
| NEGRIT | Negrito | 3 |
| NEGRO | Negro | 1 |
| NNAFF | Northeastern North American Flints & Flours | 10 |
| NNAS | Northeastern North American Sweets | 1 |
| NORCAT | Cateto Nortista | 1 |
| NTBLTB | NAL-TEL Blanco Tierra Baja | 3 |
| OLOTIL | Olotillo | 38 |
| OLOTON | Oloton | 70 |
| ONAVEN | Onaveno | 9 |
| PADENT | Dente Paulista | 19 |
| PAGALA | Pagaladroga | 1 |
| PALOME | Palomero Toluqueno | 15 |
| PEPITI | Pepitilla | 58 |
| PERLA | Perla | 1 |
| PIRICI | Piricinco | 1 |
| PIRNAR | Pira Naranja | 1 |
| POLLOA | | 1 |
| PUYA | Puya | 3 |
| REDDNT | Red Dent | 2 |
| REVENT | Reventador | 16 |
| RGDENT | Rio Grande Dent | 11 |
| RIENDA | Riograndense | 1 |
| SABANE | Sabanero | 4 |
| SALVAD | Salvadoreno | 46 |
| SANMAR | San Marceno | 1 |
| SEAMDD | Southeastern American Southern Derived Southern Dents | 1 |
| SNJUAN | San Juan | 4 |
| TABLI8 | Tablilla de Ocho | 1 |
| TABLON | Tabloncillo | 65 |
| TABPER | Tabloncillo Perla | 5 |
| TAMAUL | Tamaulipeco | 1 |
| TEHUA | Tehua | 1 |
| TEPECI | Tepecintle | 69 |
| TUSON | Tuson | 35 |
| TUXPEN | Tuxpeno | 138 |
| VANDEN | Vandeno | 27 |
| VENEZO | Venezolano | 4 |
| XMEHEN | Xmehenal | 2 |
| ZAMOAM | Zamorano Amarillo | 1 |
| ZAPCHI | Zapalote Chico | 9 |
| ZAPGRA | Zapalote Grande | 7 |