| argentina | santa fe province | lactuca sativa | species | 0 | 1 |
| armenia | | cicerbita hispida | species | 3 | 0 |
| armenia | | lactuca quercina | species | 1 | 0 |
| australia | south australia | lactuca serriola | species | 0 | 1 |
| austria | | cicerbita alpina | species | 3 | 0 |
| austria | | lactuca quercina | species | 1 | 0 |
| azerbaijan | | lactuca saligna | species | 1 | 0 |
| bangladesh | dhaka division | lactuca sativa | species | 0 | 1 |
| belgium | | cicerbita bourgaei | species | 1 | 0 |
| belgium | | lactuca muralis | species | 1 | 0 |
| belgium | | lactuca virosa | species | 2 | 0 |
| belgium | flemish region | lactuca sativa | species | 0 | 1 |
| brazil | mato grosso | lactuca sativa | species | 0 | 1 |
| brazil | minas gerais | lactuca sativa | species | 0 | 1 |
| brazil | pernambuco | lactuca sativa | species | 0 | 2 |
| brazil | rio de janeiro | lactuca sativa | species | 0 | 3 |
| brazil | rio grande do sul | lactuca sativa | species | 0 | 1 |
| brazil | sao paulo | lactuca sativa | species | 0 | 2 |
| canada | alberta | mulgedium pulchellum | species | 1 | 0 |
| canada | british columbia | lactuca canadensis | species | 1 | 0 |
| canada | british columbia | lactuca muralis | species | 7 | 0 |
| canada | british columbia | lactuca sativa var. longifolia | varietas | 0 | 1 |
| canada | british columbia | mulgedium pulchellum | species | 2 | 0 |
| canada | manitoba | lactuca floridana | species | 2 | 0 |
| canada | northwest territories | lactuca sativa | species | 4 | 0 |
| canada | northwest territories | mulgedium pulchellum | species | 2 | 0 |
| canada | nova scotia | lactuca hirsuta | species | 2 | 0 |
| canada | ontario | lactuca biennis | species | 1 | 0 |
| canada | ontario | lactuca floridana | species | 4 | 0 |
| canada | ontario | lactuca hirsuta | species | 2 | 0 |
| canada | ontario | lactuca muralis | species | 2 | 0 |
| canada | ontario | lactuca saligna | species | 2 | 0 |
| canada | ontario | lactuca sativa var. crispa | varietas | 0 | 1 |
| canada | ontario | lactuca serriola | species | 14 | 0 |
| canada | ontario | lactuca sp. asm-2014 | species | 1 | 0 |
| canada | quebec | lactuca biennis | species | 2 | 0 |
| canada | quebec | lactuca canadensis | species | 4 | 0 |
| canada | quebec | lactuca muralis | species | 2 | 0 |
| canada | quebec | lactuca sativa | species | 0 | 1 |
| canada | yukon | lactuca biennis | species | 2 | 0 |
| canada | yukon | lactuca serriola | species | 2 | 0 |
| china | | lactuca dolichophylla | species | 2 | 0 |
| china | | lactuca indica | species | 1 | 0 |
| china | | lactuca sativa | species | 162 | 0 |
| china | | lactuca scandens | species | 12 | 0 |
| china | | lactuca serriola | species | 7 | 0 |
| china | | lactuca tatarica | species | 2 | 0 |
| china | | paraprenanthes glandulosissima | species | 1 | 0 |
| china | | paraprenanthes sororia | species | 6 | 0 |
| china | anhui | lactuca dissecta | species | 3 | 0 |
| china | beijing | lactuca sativa | species | 1 | 0 |
| china | chongqing | faberia faberi | species | 11 | 0 |
| china | chongqing | faberia nanchuanensis | species | 21 | 0 |
| china | chongqing | lactuca formosana | species | 6 | 0 |
| china | chongqing | lactuca indica | species | 6 | 0 |
| china | chongqing | lactuca sativa var. longifolia | varietas | 0 | 1 |
| china | chongqing | notoseris henryi | species | 12 | 0 |
| china | chongqing | notoseris porphyrolepis | species | 17 | 0 |
| china | chongqing | notoseris psilolepis | species | 12 | 0 |
| china | chongqing | notoseris triflora | species | 17 | 0 |
| china | chongqing | paraprenanthes melanantha | species | 5 | 0 |
| china | fujian | paraprenanthes diversifolia | species | 5 | 0 |
| china | gansu | cicerbita auriculiformis | species | 6 | 0 |
| china | guizhou | faberia cavaleriei | species | 10 | 0 |
| china | guizhou | faberia faberi | species | 6 | 0 |
| china | hebei | lactuca sativa | species | 1 | 0 |
| china | hebei | lactuca tatarica | species | 6 | 0 |
| china | hunan | notoseris macilenta | species | 5 | 0 |
| china | jiangxi | notoseris macilenta | species | 5 | 0 |
| china | jiangxi | paraprenanthes pilipes | species | 12 | 0 |
| china | ningxia | lactuca sativa | species | 0 | 1 |
| china | qinghai | cicerbita auriculiformis | species | 5 | 0 |
| china | shaanxi | lactuca sativa | species | 1 | 0 |
| china | shanxi | lactuca formosana | species | 6 | 0 |
| china | shanxi | lactuca indica var. laciniata | varietas | 6 | 0 |
| china | sichuan | cicerbita roborowskii | species | 12 | 0 |
| china | sichuan | faberia sinensis | species | 17 | 0 |
| china | sichuan | faberia thibetica | species | 5 | 0 |
| china | sichuan | lactuca raddeana | species | 12 | 0 |
| china | sichuan | melanoseris beesiana | species | 5 | 0 |
| china | sichuan | melanoseris cyanea | species | 1 | 0 |
| china | sichuan | melanoseris graciliflora | species | 18 | 0 |
| china | sichuan | notoseris triflora | species | 6 | 0 |
| china | sichuan | paraprenanthes diversifolia | species | 6 | 0 |
| china | sichuan | paraprenanthes glandulosissima | species | 7 | 0 |
| china | sichuan | paraprenanthes gracilipes | species | 6 | 0 |
| china | sichuan | paraprenanthes heptantha | species | 6 | 0 |
| china | sichuan | paraprenanthes luchunensis | species | 6 | 0 |
| china | sichuan | paraprenanthes melanantha | species | 18 | 0 |
| china | sichuan | paraprenanthes meridionalis | species | 6 | 0 |
| china | sichuan | paraprenanthes multiformis | species | 6 | 0 |
| china | sichuan | paraprenanthes polypodifolia | species | 6 | 0 |
| china | sichuan | paraprenanthes prenanthoides | species | 6 | 0 |
| china | sichuan | paraprenanthes wilsonii | species | 18 | 0 |
| china | tibet | melanoseris atropurpurea | species | 6 | 0 |
| china | tibet | melanoseris macrorhiza | species | 256 | 0 |
| china | tibet | melanoseris violifolia | species | 6 | 0 |
| china | xinjiang | lactuca sativa | species | 0 | 1 |
| china | xinjiang | lactuca undulata | species | 6 | 0 |
| china | yunnan | chaetoseris hastata | species | 6 | 0 |
| china | yunnan | chaetoseris hispida | species | 6 | 0 |
| china | yunnan | chaetoseris lutea | species | 12 | 0 |
| china | yunnan | chaetoseris lyriformis | species | 18 | 0 |
| china | yunnan | chaetoseris sichuanensis | species | 12 | 0 |
| china | yunnan | chaetoseris yunnanensis | species | 6 | 0 |
| china | yunnan | faberia faberi | species | 11 | 0 |
| china | yunnan | lactuca dolichophylla | species | 6 | 0 |
| china | yunnan | lactuca indica | species | 1 | 0 |
| china | yunnan | lactuca serriola | species | 6 | 0 |
| china | yunnan | melanoseris atropurpurea | species | 12 | 0 |
| china | yunnan | melanoseris cf. cyanea dong hj & al. 643 | species | 6 | 0 |
| china | yunnan | melanoseris cf. cyanea wang zh & chen l 479 | species | 6 | 0 |
| china | yunnan | melanoseris cf. cyanea wang zh & chen l 480_1 | species | 6 | 0 |
| china | yunnan | melanoseris cf. cyanea wang zh & chen l 480_2 | species | 6 | 0 |
| china | yunnan | melanoseris cf. cyanea wang zh & chen l 481 | species | 6 | 0 |
| china | yunnan | melanoseris cf. tenuis wang zh & chen l 476_1 | species | 6 | 0 |
| china | yunnan | melanoseris cf. tenuis wang zh & chen l 476_3 | species | 6 | 0 |
| china | yunnan | melanoseris cf. tenuis yin zj & al. 3277 | species | 6 | 0 |
| china | yunnan | melanoseris cyanea | species | 11 | 0 |
| china | yunnan | melanoseris likiangensis | species | 11 | 0 |
| china | yunnan | melanoseris sp. ibsc 3044 | species | 5 | 0 |
| china | yunnan | melanoseris sp. lac103 | species | 6 | 0 |
| china | yunnan | melanoseris taliensis | species | 5 | 0 |
| china | yunnan | melanoseris tenuis | species | 24 | 0 |
| china | yunnan | notoseris khasiana | species | 18 | 0 |
| china | yunnan | notoseris scandens | species | 6 | 0 |
| china | yunnan | notoseris scandens x notoseris yakoensis | species | 6 | 0 |
| china | yunnan | notoseris triflora | species | 6 | 0 |
| china | yunnan | notoseris yakoensis | species | 12 | 0 |
| china | yunnan | paraprenanthes longiloba | species | 6 | 0 |
| china | yunnan | paraprenanthes oligolepis | species | 24 | 0 |
| china | yunnan | paraprenanthes sagittiformis | species | 12 | 0 |
| china | yunnan | paraprenanthes sororia | species | 5 | 0 |
| china | yunnan | paraprenanthes triflora | species | 24 | 0 |
| china | yunnan | paraprenanthes umbrosa | species | 12 | 0 |
| china | yunnan | paraprenanthes yunnanensis | species | 6 | 0 |
| cyprus | | lactuca viminea | species | 1 | 0 |
| czech republic | | lactuca sativa | species | 1 | 0 |
| czech republic | | lactuca serriola | species | 1 | 0 |
| egypt | | lactuca sativa | species | 1 | 0 |
| egypt | | lactuca serriola | species | 1 | 0 |
| finland | | cicerbita alpina | species | 1 | 0 |
| france | | cicerbita alpina | species | 1 | 0 |
| france | | lactuca muralis | species | 1 | 0 |
| france | | lactuca perennis | species | 1 | 0 |
| france | | lactuca sativa | species | 4 | 0 |
| france | | lactuca serriola | species | 1 | 0 |
| france | auvergne region | cicerbita alpina | species | 2 | 0 |
| france | auvergne region | cicerbita plumieri | species | 1 | 0 |
| germany | | cicerbita macrophylla | species | 1 | 0 |
| germany | | cicerbita macrophylla subsp. uralensis | subspecies | 1 | 0 |
| germany | | cicerbita thianschanica | species | 1 | 0 |
| germany | | lactuca dissecta | species | 1 | 0 |
| germany | | lactuca perennis | species | 1 | 0 |
| germany | | lactuca saligna | species | 2 | 0 |
| germany | | lactuca sativa | species | 6 | 0 |
| germany | | lactuca sativa var. capitata | varietas | 2 | 0 |
| germany | | lactuca serriola | species | 31 | 0 |
| germany | | lactuca tatarica | species | 1 | 0 |
| germany | | lactuca tenerrima | species | 1 | 0 |
| germany | | lactuca viminea | species | 3 | 0 |
| germany | brandenburg | lactuca sativa | species | 2 | 0 |
| germany | brandenburg | lactuca tatarica | species | 1 | 0 |
| germany | hamburg | lactuca perennis | species | 1 | 0 |
| germany | saxony | lactuca muralis | species | 1 | 0 |
| greece | | lactuca sativa var. capitata | varietas | 1 | 0 |
| greece | | lactuca serriola | species | 2 | 0 |
| greece | | lactuca viminea | species | 1 | 0 |
| greece | west macedonia region | lactuca viminea | species | 1 | 0 |
| hong kong | | lactuca sativa | species | 0 | 1 |
| hong kong | | lactuca sativa var. longifolia | varietas | 0 | 1 |
| india | | lactuca indica | species | 1 | 0 |
| india | | lactuca sativa | species | 2 | 0 |
| india | karnataka | lactuca serriola | species | 0 | 2 |
| iran | | lactuca orientalis | species | 1 | 0 |
| iran | | lactuca pumila | species | 4 | 0 |
| iran | | lactuca sativa | species | 25 | 0 |
| iran | alborz province | lactuca undulata | species | 6 | 0 |
| iran | east azerbaijan province | lactuca sativa | species | 16 | 0 |
| iran | isfahan province | lactuca sativa | species | 3 | 0 |
| iran | tehran province | lactuca sativa | species | 3 | 1 |
| iran | yazd province | lactuca sativa | species | 1 | 0 |
| iraq | | lactuca serriola | species | 1 | 0 |
| israel | haifa district | lactuca sativa | species | 0 | 1 |
| italy | | cicerbita alpina | species | 2 | 0 |
| italy | | lactuca muralis | species | 1 | 0 |
| italy | | lactuca sativa | species | 2 | 0 |
| italy | | lactuca sativa var. longifolia | varietas | 3 | 0 |
| italy | | lactuca viminea | species | 2 | 0 |
| italy | | lactuca virosa | species | 1 | 0 |
| italy | campania region | lactuca sativa | species | 0 | 1 |
| italy | marche region | lactuca viminea | species | 1 | 0 |
| italy | marche region | scariola viminea | species | 5 | 0 |
| italy | piemonte region | lactuca sativa | species | 0 | 1 |
| japan | | lactuca indica | species | 1 | 0 |
| japan | | paraprenanthes sororia | species | 1 | 0 |
| japan | chiba prefecture | lactuca sativa var. crispa | varietas | 2 | 0 |
| japan | fukuoka prefecture | lactuca sativa var. capitata | varietas | 1 | 0 |
| japan | hokkaido prefecture | lactuca sativa var. crispa | varietas | 0 | 1 |
| mexico | federal district | lactuca sativa | species | 0 | 1 |
| netherlands | | lactuca sativa var. capitata | varietas | 1 | 0 |
| netherlands | | lactuca virosa | species | 1 | 0 |
| new zealand | | lactuca serriola | species | 1 | 0 |
| nigeria | lagos | lactuca sativa | species | 0 | 1 |
| norway | | cicerbita alpina | species | 2 | 0 |
| norway | hordaland county | cicerbita alpina | species | 6 | 0 |
| norway | more og romsdal county | lactuca sativa var. capitata | varietas | 0 | 1 |
| pakistan | | lactuca sativa | species | 1 | 0 |
| poland | mazovia province | lactuca muralis | species | 1 | 0 |
| portugal | | lactuca serriola | species | 2 | 0 |
| portugal | | lactuca watsoniana | species | 2 | 0 |
| romania | | lactuca sativa | species | 1 | 0 |
| russia | | lactuca quercina | species | 2 | 0 |
| russia | | lactuca sibirica | species | 3 | 0 |
| russia | | lactuca tatarica | species | 3 | 0 |
| russia | primorsky krai | lactuca sibirica | species | 6 | 0 |
| russia | samara oblast | lactuca sibirica | species | 1 | 0 |
| slovakia | | cicerbita alpina | species | 1 | 0 |
| south africa | free state province | lactuca inermis | species | 1 | 0 |
| south africa | northern cape province | lactuca dregeana | species | 3 | 0 |
| south africa | northern cape province | lactuca serriola | species | 2 | 0 |
| south africa | the western cape province | lactuca serriola | species | 1 | 0 |
| south korea | | lactuca indica var. laciniata | varietas | 6 | 0 |
| south korea | | lactuca sativa | species | 35 | 0 |
| south korea | | lactuca sativa var. longifolia | varietas | 1 | 0 |
| south korea | | lactuca serriola | species | 24 | 0 |
| spain | | lactuca virosa | species | 1 | 0 |
| spain | asturias | lactuca sativa | species | 0 | 1 |
| spain | basque country | lactuca sativa | species | 0 | 1 |
| spain | madrid | lactuca serriola | species | 0 | 1 |
| sudan | khartoum | lactuca sativa | species | 0 | 1 |
| sweden | | lactuca muralis | species | 1 | 0 |
| switzerland | | lactuca serriola | species | 1 | 0 |
| switzerland | geneva region | lactuca serriola | species | 2 | 0 |
| taiwan | | lactuca sativa | species | 0 | 1 |
| taiwan | taiwan municipality | lactuca indica | species | 1 | 0 |
| thailand | chiang mai province | paraprenanthes umbrosa | species | 6 | 0 |
| togo | | lactuca inermis | species | 6 | 0 |
| tunisia | monastir governorate | lactuca sativa | species | 0 | 1 |
| tunisia | sousse governorate | lactuca sativa | species | 0 | 1 |
| turkey | ankara province | lactuca sativa var. capitata | varietas | 0 | 2 |
| turkey | ankara province | lactuca sativa var. crispa | varietas | 0 | 1 |
| turkey | ankara province | lactuca sativa var. longifolia | varietas | 0 | 1 |
| turkey | antalya province | lactuca serriola | species | 3 | 0 |
| turkey | erzurum province | lactuca serriola | species | 0 | 1 |
| turkey | manisa province | lactuca sativa | species | 0 | 1 |
| turkey | samsun province | lactuca sativa | species | 0 | 1 |
| ukraine | kharkiv oblast | lactuca sativa | species | 0 | 1 |
| united kingdom | | cicerbita alpina | species | 22 | 0 |
| united kingdom | | lactuca muralis | species | 1 | 0 |
| united kingdom | | lactuca saligna | species | 9 | 0 |
| united kingdom | | lactuca serriola | species | 2 | 0 |
| united kingdom | | lactuca virosa | species | 1 | 0 |
| united states | | lactuca canadensis | species | 4 | 0 |
| united states | | lactuca graminifolia | species | 1 | 0 |
| united states | | lactuca ludoviciana | species | 10 | 0 |
| united states | | lactuca sativa | species | 1 | 0 |
| united states | | lactuca sativa var. capitata | varietas | 1 | 0 |
| united states | | lactuca serriola | species | 3 | 0 |
| united states | | lactuca sp. mavrodiev 2003 s.n. | species | 3 | 0 |
| united states | | mulgedium oblongifolium | species | 1 | 0 |
| united states | arizona | lactuca sativa var. longifolia | varietas | 0 | 2 |
| united states | arkansas | lactuca hirsuta | species | 1 | 0 |
| united states | california | lactuca sativa | species | 0 | 4 |
| united states | california | lactuca sativa var. crispa | varietas | 0 | 2 |
| united states | california | lactuca sativa var. longifolia | varietas | 0 | 3 |
| united states | colorado | lactuca sativa | species | 0 | 1 |
| united states | colorado | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | delaware | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | florida | lactuca floridana | species | 1 | 0 |
| united states | florida | lactuca graminifolia | species | 3 | 0 |
| united states | florida | lactuca sativa | species | 0 | 2 |
| united states | florida | lactuca sativa var. longifolia | varietas | 0 | 1 |
| united states | florida | lactuca sp. mavrodiev 2003 s.n. | species | 2 | 0 |
| united states | florida | lactuca sp. mavrodiev s.n. | species | 3 | 0 |
| united states | illinois | lactuca sativa | species | 0 | 1 |
| united states | iowa | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | iowa | lactuca sativa var. longifolia | varietas | 0 | 3 |
| united states | kansas | lactuca canadensis | species | 1 | 0 |
| united states | kansas | lactuca ludoviciana | species | 1 | 0 |
| united states | kansas | lactuca serriola | species | 1 | 0 |
| united states | michigan | lactuca sativa var. longifolia | varietas | 0 | 1 |
| united states | minnesota | lactuca ludoviciana | species | 2 | 0 |
| united states | minnesota | mulgedium oblongifolium | species | 3 | 0 |
| united states | mississippi | lactuca graminifolia | species | 1 | 0 |
| united states | nebraska | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | nebraska | lactuca sativa var. longifolia | varietas | 0 | 3 |
| united states | new jersey | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | new york | lactuca canadensis | species | 4 | 0 |
| united states | new york | lactuca muralis | species | 1 | 0 |
| united states | new york | lactuca sativa | species | 0 | 1 |
| united states | new york | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | ohio | lactuca sativa var. longifolia | varietas | 0 | 1 |
| united states | pennsylvania | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | south carolina | lactuca sativa | species | 0 | 1 |
| united states | tennessee | lactuca biennis | species | 8 | 0 |
| united states | tennessee | lactuca canadensis | species | 2 | 0 |
| united states | tennessee | lactuca floridana | species | 2 | 0 |
| united states | tennessee | lactuca graminifolia | species | 1 | 0 |
| united states | tennessee | lactuca saligna | species | 1 | 0 |
| united states | tennessee | lactuca serriola | species | 2 | 0 |
| united states | texas | lactuca graminifolia | species | 1 | 0 |
| united states | texas | lactuca sativa var. capitata | varietas | 0 | 1 |
| united states | texas | lactuca sativa var. longifolia | varietas | 0 | 2 |
| united states | virginia | lactuca canadensis | species | 3 | 0 |
| united states | virginia | lactuca floridana | species | 3 | 0 |
| united states | washington | lactuca serriola | species | 0 | 1 |
| united states | wisconsin | lactuca biennis | species | 6 | 0 |