| argentina | | zea mays | species | 8 | 0 |
| argentina | | zea mays subsp. mays | subspecies | 3 | 0 |
| argentina | buenos aires city | zea mays | species | 0 | 4 |
| argentina | buenos aires province | zea mays | species | 0 | 4 |
| argentina | catamarca province | zea mays | species | 7 | 0 |
| argentina | cordoba province | zea mays | species | 0 | 7 |
| argentina | entre rios province | zea mays | species | 0 | 2 |
| argentina | jujuy province | zea mays | species | 19 | 1 |
| argentina | salta province | zea mays | species | 15 | 1 |
| argentina | santa fe province | zea mays | species | 0 | 1 |
| argentina | tucuman province | zea mays | species | 0 | 1 |
| australia | new south wales | zea mays | species | 0 | 3 |
| australia | queensland | zea mays | species | 0 | 4 |
| australia | western australia | zea mays | species | 0 | 3 |
| belgium | flemish region | zea mays | species | 0 | 1 |
| benin | atlantique department | zea mays | species | 0 | 1 |
| benin | mono department | zea mays | species | 0 | 1 |
| bolivia | | zea mays | species | 1 | 0 |
| bolivia | | zea mays subsp. mays | subspecies | 7 | 0 |
| brazil | | zea mays | species | 11 | 0 |
| brazil | bahia | zea mays | species | 0 | 1 |
| brazil | espirito santo | zea mays | species | 0 | 1 |
| brazil | federal district | zea mays | species | 0 | 1 |
| brazil | goias | zea mays | species | 0 | 1 |
| brazil | mato grosso | zea mays | species | 0 | 2 |
| brazil | mato grosso do sul | zea mays | species | 0 | 3 |
| brazil | minas gerais | zea mays | species | 0 | 2 |
| brazil | parana | zea mays | species | 0 | 7 |
| brazil | rio de janeiro | zea mays | species | 0 | 2 |
| brazil | santa catarina | zea mays | species | 0 | 4 |
| brazil | sao paulo | zea mays | species | 0 | 14 |
| cameroon | centre region | zea mays | species | 0 | 1 |
| cameroon | south-west region | zea mays | species | 0 | 1 |
| canada | british columbia | zea mays | species | 0 | 1 |
| canada | ontario | zea mays | species | 0 | 6 |
| canada | quebec | zea mays | species | 0 | 2 |
| chile | | zea mays subsp. mays | subspecies | 29 | 0 |
| chile | antofagasta region | zea mays | species | 0 | 1 |
| chile | atacama region | zea mays | species | 0 | 1 |
| china | | zea mays | species | 1890 | 0 |
| china | | zea mays subsp. mays | subspecies | 7 | 0 |
| china | beijing | zea mays | species | 654 | 11 |
| china | chongqing | zea mays | species | 292 | 1 |
| china | fujian | zea mays | species | 0 | 1 |
| china | gansu | zea mays | species | 0 | 2 |
| china | guangdong | zea mays | species | 0 | 3 |
| china | guangxi | zea mays | species | 0 | 6 |
| china | guizhou | zea mays | species | 7 | 5 |
| china | hebei | zea mays | species | 0 | 7 |
| china | heilongjiang | zea mays | species | 0 | 2 |
| china | henan | zea mays | species | 0 | 5 |
| china | hubei | zea mays | species | 1 | 3 |
| china | hubei | zea mays subsp. mays | subspecies | 1 | 0 |
| china | hubei | zea mays subsp. mexicana | subspecies | 1 | 0 |
| china | hunan | zea mays | species | 12 | 2 |
| china | hunan | zea nicaraguensis | species | 1 | 0 |
| china | inner mongolia | zea mays | species | 0 | 1 |
| china | jiangsu | zea mays | species | 0 | 4 |
| china | jilin | zea mays | species | 0 | 7 |
| china | liaoning | zea mays | species | 0 | 2 |
| china | shaanxi | zea mays | species | 0 | 6 |
| china | shandong | zea mays | species | 0 | 11 |
| china | shanghai shi | zea mays | species | 0 | 1 |
| china | shanxi | zea mays | species | 0 | 4 |
| china | sichuan | zea mays | species | 77 | 2 |
| china | xinjiang | zea mays | species | 0 | 2 |
| china | yunnan | zea mays | species | 16 | 3 |
| china | zhejiang | zea mays | species | 0 | 3 |
| colombia | | zea mays subsp. mays | subspecies | 63 | 0 |
| colombia | antioquia department | zea mays | species | 0 | 1 |
| colombia | narino department | zea mays | species | 0 | 1 |
| colombia | tolima department | zea mays | species | 0 | 2 |
| croatia | brod-posavina county | zea mays | species | 0 | 1 |
| croatia | istria county | zea mays | species | 0 | 1 |
| croatia | osijek-baranja county | zea mays | species | 0 | 1 |
| czech republic | | zea mays | species | 6 | 0 |
| czech republic | | zea mays subsp. mays | subspecies | 9 | 0 |
| ecuador | | zea mays subsp. mays | subspecies | 4 | 0 |
| egypt | | zea mays | species | 4 | 0 |
| egypt | | zea mays subsp. mays | subspecies | 2 | 0 |
| egypt | | zea mays subsp. mexicana | subspecies | 4 | 0 |
| egypt | cairo governorate | zea mays | species | 0 | 2 |
| egypt | minya governorate | zea mays | species | 0 | 1 |
| ethiopia | oromiya region | zea mays | species | 0 | 1 |
| fiji | | zea mays | species | 0 | 1 |
| france | | zea mays | species | 2 | 0 |
| france | | zea mays subsp. mays | subspecies | 11 | 0 |
| france | | zea mays subsp. mexicana | subspecies | 2 | 0 |
| france | ile-de-france region | zea mays | species | 0 | 1 |
| germany | | zea mays | species | 22 | 0 |
| germany | baden-wuerttemberg | zea mays | species | 0 | 1 |
| germany | bavaria | zea mays | species | 1 | 1 |
| ghana | greater accra region | zea mays | species | 0 | 1 |
| greece | central macedonia region | zea mays | species | 0 | 2 |
| greece | east macedonia and thrace region | zea mays | species | 0 | 1 |
| greece | epirus region | zea mays | species | 0 | 1 |
| greece | thessaly region | zea mays | species | 0 | 1 |
| guatemala | | zea luxurians | species | 59 | 0 |
| guatemala | | zea mays subsp. mays | subspecies | 63 | 0 |
| guatemala | chimaltenango department | zea mays | species | 0 | 1 |
| guatemala | chiquimula department | zea luxurians | species | 1 | 0 |
| guatemala | guatemala department | zea mays | species | 0 | 19 |
| guatemala | huehuetenango department | zea mays subsp. huehuetenangensis | subspecies | 1 | 0 |
| guatemala | jutiapa department | zea luxurians | species | 2 | 0 |
| guatemala | sacatepequez department | zea mays | species | 0 | 1 |
| haiti | | zea mays | species | 0 | 1 |
| hong kong | | zea mays | species | 0 | 1 |
| hungary | baranya county | zea mays | species | 0 | 1 |
| hungary | budapest | zea mays | species | 0 | 1 |
| hungary | pest county | zea mays | species | 0 | 1 |
| hungary | somogy county | zea mays | species | 0 | 1 |
| hungary | zala county | zea mays | species | 0 | 1 |
| india | | zea mays | species | 13 | 0 |
| india | andaman and nicobar islands | zea mays | species | 0 | 1 |
| india | andhra pradesh | zea mays | species | 2 | 1 |
| india | bihar | zea mays | species | 0 | 3 |
| india | gujarat | zea mays | species | 0 | 1 |
| india | haryana | zea mays | species | 0 | 2 |
| india | himachal pradesh | zea mays | species | 0 | 1 |
| india | jharkhand | zea mays | species | 0 | 1 |
| india | karnataka | zea mays | species | 0 | 4 |
| india | maharashtra | zea mays | species | 0 | 1 |
| india | national capital territory of delhi | zea mays | species | 0 | 1 |
| india | rajasthan | zea mays | species | 0 | 1 |
| india | sikkim | zea mays | species | 0 | 2 |
| india | west bengal | zea mays | species | 0 | 1 |
| indonesia | west java province | zea mays | species | 0 | 2 |
| iran | | zea mays | species | 1 | 0 |
| iran | alborz province | zea mays | species | 0 | 1 |
| iran | fars province | zea mays | species | 0 | 4 |
| iran | kerman province | zea mays | species | 0 | 1 |
| iran | kermanshah province | zea mays | species | 0 | 3 |
| iran | khuzestan province | zea mays | species | 0 | 3 |
| iran | mazandaran province | zea mays | species | 0 | 8 |
| iran | semnan province | zea mays | species | 0 | 1 |
| iran | tehran province | zea mays | species | 0 | 1 |
| italy | | zea mays | species | 2 | 0 |
| italy | lombardy region | zea mays | species | 0 | 1 |
| italy | sardinia autonomous region | zea mays | species | 0 | 1 |
| italy | tuscany region | zea mays | species | 0 | 1 |
| italy | veneto region | zea mays | species | 0 | 2 |
| japan | | zea mays | species | 2 | 0 |
| japan | ehime prefecture | zea mays | species | 2 | 0 |
| japan | iwate prefecture | zea mays | species | 0 | 1 |
| japan | tochigi prefecture | zea mays | species | 0 | 2 |
| japan | tokyo prefecture | zea mays | species | 0 | 2 |
| kenya | central province | zea mays | species | 0 | 3 |
| kenya | eastern province | zea mays | species | 0 | 7 |
| kenya | nairobi province | zea mays | species | 0 | 2 |
| kenya | nyanza province | zea mays | species | 0 | 1 |
| kenya | rift valley province | zea mays | species | 0 | 1 |
| kenya | western province | zea mays | species | 0 | 2 |
| kosovo | | zea mays | species | 0 | 2 |
| malawi | central region | zea mays | species | 0 | 2 |
| malawi | southern region | zea mays | species | 0 | 3 |
| maldives | | zea mays | species | 0 | 1 |
| mauritius | | zea mays | species | 0 | 1 |
| mexico | | zea diploperennis | species | 1 | 0 |
| mexico | | zea mays | species | 17 | 0 |
| mexico | | zea mays subsp. mays | subspecies | 73 | 0 |
| mexico | | zea mays subsp. mexicana | subspecies | 80 | 0 |
| mexico | | zea mays subsp. parviglumis | subspecies | 98 | 0 |
| mexico | campeche | zea mays | species | 0 | 1 |
| mexico | chiapas | zea mays | species | 0 | 3 |
| mexico | chihuahua | zea mays subsp. mays | subspecies | 1 | 0 |
| mexico | chihuahua | zea mays subsp. mexicana | subspecies | 32 | 0 |
| mexico | durango | zea mays subsp. mays | subspecies | 1 | 0 |
| mexico | durango | zea mays subsp. mexicana | subspecies | 5 | 0 |
| mexico | guanajuato | zea mays | species | 0 | 1 |
| mexico | guanajuato | zea mays subsp. mexicana | subspecies | 3 | 0 |
| mexico | guerrero | zea mays | species | 0 | 3 |
| mexico | guerrero | zea mays subsp. mexicana | subspecies | 2 | 0 |
| mexico | guerrero | zea mays subsp. parviglumis | subspecies | 194 | 0 |
| mexico | hidalgo | zea mays | species | 0 | 1 |
| mexico | jalisco | zea diploperennis | species | 50 | 0 |
| mexico | jalisco | zea mays subsp. mays | subspecies | 1 | 0 |
| mexico | jalisco | zea mays subsp. mexicana | subspecies | 7 | 0 |
| mexico | jalisco | zea mays subsp. parviglumis | subspecies | 10 | 0 |
| mexico | jalisco | zea perennis | species | 84 | 0 |
| mexico | mexico | zea mays | species | 1 | 1 |
| mexico | mexico | zea mays subsp. mays | subspecies | 2 | 0 |
| mexico | mexico | zea mays subsp. mexicana | subspecies | 14 | 0 |
| mexico | mexico | zea mays subsp. parviglumis | subspecies | 2 | 0 |
| mexico | michoacan ocampo | zea mays | species | 0 | 1 |
| mexico | michoacan ocampo | zea mays subsp. mays x zea mays subsp. parviglumis | subspecies | 3 | 0 |
| mexico | michoacan ocampo | zea mays subsp. mexicana | subspecies | 7 | 0 |
| mexico | michoacan ocampo | zea mays subsp. parviglumis | subspecies | 14 | 0 |
| mexico | morelos | zea mays | species | 0 | 2 |
| mexico | morelos | zea mays subsp. parviglumis | subspecies | 2 | 0 |
| mexico | nayarit | zea mays | species | 0 | 1 |
| mexico | nuevo leon | zea mays | species | 0 | 1 |
| mexico | nuevo leon | zea mays subsp. parviglumis | subspecies | 1 | 0 |
| mexico | oaxaca | zea mays | species | 0 | 14 |
| mexico | oaxaca | zea mays subsp. parviglumis | subspecies | 5 | 0 |
| mexico | puebla | zea mays | species | 0 | 1 |
| mexico | sinaloa | zea mays | species | 0 | 1 |
| mexico | sonora | zea mays | species | 0 | 1 |
| mexico | tabasco | zea mays | species | 0 | 3 |
| mexico | tamaulipas | zea mays | species | 0 | 1 |
| mexico | tlaxcala | zea mays | species | 0 | 1 |
| mexico | veracruz-llave | zea mays | species | 0 | 1 |
| mexico | yucatan | zea mays | species | 0 | 1 |
| nepal | central development region | zea mays | species | 0 | 1 |
| netherlands | | zea mays | species | 1 | 0 |
| nicaragua | | zea luxurians | species | 12 | 0 |
| nicaragua | chinandega department | zea luxurians | species | 1 | 0 |
| nicaragua | esteli department | zea mays | species | 0 | 1 |
| nicaragua | managua department | zea mays | species | 0 | 1 |
| nigeria | | zea mays | species | 15 | 0 |
| nigeria | anambra | zea mays | species | 0 | 1 |
| nigeria | cross river | zea mays | species | 0 | 2 |
| nigeria | ebonyi | zea mays | species | 0 | 1 |
| nigeria | edo | zea mays | species | 0 | 1 |
| nigeria | imo | zea mays | species | 0 | 1 |
| nigeria | kaduna | zea mays | species | 0 | 3 |
| nigeria | kano | zea mays | species | 0 | 1 |
| nigeria | lagos | zea mays | species | 0 | 1 |
| nigeria | nassarawa | zea mays | species | 0 | 1 |
| nigeria | ogun | zea mays | species | 0 | 1 |
| nigeria | ondo | zea mays | species | 0 | 1 |
| nigeria | oyo | zea mays | species | 0 | 2 |
| nigeria | plateau | zea mays | species | 0 | 2 |
| pakistan | | zea mays | species | 1 | 0 |
| pakistan | khyber pakhtunkhwa province | zea mays | species | 0 | 2 |
| panama | chiriqui province | zea mays | species | 0 | 1 |
| panama | panama province | zea mays | species | 0 | 8 |
| peru | | zea mays subsp. mays | subspecies | 31 | 0 |
| peru | moquegua region | zea mays | species | 0 | 1 |
| philippines | calabarzon region | zea mays | species | 0 | 1 |
| philippines | ilocos region | zea mays | species | 0 | 1 |
| puerto rico | | zea mays | species | 0 | 3 |
| reunion | | zea mays | species | 0 | 1 |
| russia | krasnodar krai | zea mays | species | 3 | 1 |
| russia | saratov oblast | zea mays | species | 10 | 1 |
| slovenia | municipality of lendava | zea mays | species | 0 | 1 |
| south africa | | zea mays | species | 1 | 0 |
| south africa | eastern cape province | zea mays | species | 0 | 7 |
| south africa | gauteng province | zea mays | species | 0 | 1 |
| south africa | kwazulu-natal province | zea mays | species | 0 | 3 |
| south africa | limpopo province | zea mays | species | 0 | 1 |
| south africa | the western cape province | zea mays | species | 0 | 1 |
| south korea | | zea mays | species | 7 | 0 |
| spain | | zea mays subsp. mays | subspecies | 11 | 0 |
| spain | andalusia | zea mays | species | 0 | 1 |
| spain | castile and leon | zea mays | species | 0 | 2 |
| spain | galicia | zea mays | species | 0 | 1 |
| spain | madrid | zea mays | species | 0 | 1 |
| switzerland | | zea mays | species | 1 | 0 |
| switzerland | ticino region | zea mays | species | 0 | 1 |
| syria | damascus governorate | zea mays | species | 0 | 1 |
| taiwan | | zea mays | species | 0 | 7 |
| tanzania | kilimanjaro region | zea mays | species | 0 | 2 |
| tanzania | morogoro region | zea mays | species | 0 | 1 |
| tanzania | zanzibar central/south region | zea mays | species | 0 | 1 |
| tanzania | zanzibar urban/west region | zea mays | species | 0 | 1 |
| thailand | bangkok | zea mays | species | 0 | 1 |
| thailand | nakhon ratchasima province | zea mays | species | 0 | 2 |
| thailand | nan province | zea mays | species | 0 | 1 |
| thailand | phra nakhon si ayutthaya province | zea mays | species | 0 | 1 |
| thailand | sara buri province | zea mays | species | 0 | 1 |
| togo | | zea mays | species | 0 | 3 |
| turkey | | zea mays | species | 4 | 0 |
| turkey | izmir province | zea mays | species | 0 | 1 |
| turkey | konya province | zea mays | species | 0 | 1 |
| turkey | mugla province | zea mays | species | 0 | 1 |
| turkey | samsun province | zea mays | species | 0 | 1 |
| united kingdom | england | zea mays | species | 0 | 1 |
| united states | | zea mays | species | 76508 | 0 |
| united states | | zea mays subsp. mays | subspecies | 92 | 0 |
| united states | alabama | zea mays | species | 0 | 3 |
| united states | arizona | zea mays | species | 0 | 5 |
| united states | arizona | zea mays subsp. mays | subspecies | 1 | 0 |
| united states | arkansas | zea mays | species | 0 | 1 |
| united states | california | zea mays | species | 0 | 8 |
| united states | colorado | zea mays | species | 0 | 4 |
| united states | delaware | zea mays | species | 0 | 1 |
| united states | florida | zea mays | species | 0 | 11 |
| united states | georgia | zea mays | species | 0 | 20 |
| united states | hawaii | zea mays | species | 0 | 3 |
| united states | idaho | zea mays | species | 0 | 1 |
| united states | illinois | zea mays | species | 0 | 20 |
| united states | indiana | zea mays | species | 0 | 3 |
| united states | iowa | zea mays | species | 1 | 28 |
| united states | kansas | zea mays | species | 0 | 3 |
| united states | kentucky | zea mays | species | 0 | 1 |
| united states | louisiana | zea mays | species | 0 | 4 |
| united states | maine | zea mays | species | 0 | 2 |
| united states | maryland | zea mays | species | 0 | 5 |
| united states | massachusetts | zea mays | species | 0 | 3 |
| united states | michigan | zea mays | species | 0 | 4 |
| united states | minnesota | zea mays | species | 0 | 11 |
| united states | minnesota | zea mays subsp. mays | subspecies | 0 | 1 |
| united states | mississippi | zea mays | species | 0 | 14 |
| united states | missouri | zea mays | species | 0 | 8 |
| united states | nebraska | zea mays | species | 0 | 12 |
| united states | new hampshire | zea mays | species | 0 | 1 |
| united states | new mexico | zea mays | species | 0 | 1 |
| united states | new york | zea mays | species | 0 | 3 |
| united states | north carolina | zea mays | species | 1 | 8 |
| united states | north dakota | zea mays | species | 0 | 2 |
| united states | north dakota | zea mays subsp. mays | subspecies | 2 | 0 |
| united states | ohio | zea mays | species | 0 | 3 |
| united states | oklahoma | zea mays | species | 0 | 1 |
| united states | oregon | zea mays | species | 0 | 1 |
| united states | pennsylvania | zea mays | species | 0 | 4 |
| united states | rhode island | zea mays | species | 0 | 1 |
| united states | south carolina | zea mays | species | 0 | 7 |
| united states | south dakota | zea mays | species | 0 | 6 |
| united states | tennessee | zea mays | species | 0 | 1 |
| united states | texas | zea mays | species | 0 | 15 |
| united states | vermont | zea mays | species | 0 | 1 |
| united states | virginia | zea mays | species | 0 | 4 |
| united states | west virginia | zea mays | species | 0 | 1 |
| united states | wisconsin | zea mays | species | 0 | 6 |
| united states | wisconsin | zea mays subsp. mays | subspecies | 2 | 0 |
| uruguay | | zea mays subsp. mays | subspecies | 32 | 0 |
| venezuela | | zea mays subsp. mays | subspecies | 35 | 0 |
| venezuela | capital district | zea mays | species | 0 | 1 |
| venezuela | carabobo | zea mays | species | 0 | 1 |
| venezuela | miranda | zea mays | species | 0 | 1 |
| vietnam | | zea mays | species | 8 | 0 |
| vietnam | ha noi city | zea mays | species | 2 | 1 |
| vietnam | hoa binh province | zea mays | species | 1 | 0 |
| zambia | lusaka province | zea mays | species | 0 | 2 |
| zambia | southern province | zea mays | species | 0 | 1 |
| zimbabwe | mashonaland west province | zea mays | species | 0 | 1 |
| zimbabwe | midlands province | zea mays | species | 0 | 1 |