| argentina | | bothrops diporus | species | 1 | 0 |
| bangladesh | | trimeresurus erythrurus | species | 4 | 0 |
| belize | | bothrops asper | species | 8 | 0 |
| bolivia | | bothrocophias microphthalmus | species | 8 | 0 |
| bolivia | santa cruz department | bothrocophias microphthalmus | species | 1 | 0 |
| bolivia | santa cruz department | bothrops matogrossensis | species | 5 | 0 |
| bolivia | santa cruz department | bothrops pauloensis | species | 3 | 0 |
| bolivia | santa cruz department | crotalus durissus | species | 1 | 0 |
| bolivia | santa cruz department | lachesis muta | species | 1 | 0 |
| brazil | | bothrops alternatus | species | 13 | 0 |
| brazil | | bothrops erythromelas | species | 1 | 0 |
| brazil | | bothrops itapetiningae | species | 4 | 0 |
| brazil | | bothrops jararaca | species | 6 | 0 |
| brazil | | bothrops leucurus | species | 9 | 0 |
| brazil | | bothrops moojeni | species | 50 | 0 |
| brazil | | bothrops pubescens | species | 1 | 0 |
| brazil | | crotalus durissus collilineatus | subspecies | 1 | 0 |
| brazil | | lachesis muta | species | 2 | 0 |
| brazil | acre | bothrops atrox | species | 1 | 0 |
| brazil | acre | bothrops bilineata | species | 12 | 0 |
| brazil | alagoas | bothrops bilineata | species | 42 | 0 |
| brazil | amapa | bothrops brazili | species | 18 | 0 |
| brazil | amazonas | bothrops atrox | species | 15 | 3 |
| brazil | amazonas | bothrops bilineata | species | 23 | 0 |
| brazil | amazonas | bothrops brazili | species | 11 | 0 |
| brazil | amazonas | bothrops jararaca | species | 0 | 1 |
| brazil | amazonas | crotalus simus | species | 0 | 1 |
| brazil | amazonas | lachesis muta | species | 0 | 3 |
| brazil | amazonas | lachesis stenophrys | species | 0 | 1 |
| brazil | bahia | bothrops bilineata | species | 15 | 0 |
| brazil | bahia | bothrops erythromelas | species | 30 | 0 |
| brazil | bahia | bothrops jararaca | species | 16 | 1 |
| brazil | bahia | bothrops leucurus | species | 9 | 0 |
| brazil | bahia | lachesis muta | species | 2 | 0 |
| brazil | espirito santo | bothrops jararaca | species | 17 | 0 |
| brazil | espirito santo | bothrops jararacussu | species | 21 | 0 |
| brazil | federal district | bothrops marmoratus | species | 2 | 0 |
| brazil | goias | bothrops marmoratus | species | 17 | 0 |
| brazil | goias | bothrops marmoratus/mattogrossensis | species | 15 | 0 |
| brazil | goias | bothrops marmoratus/pauloensis | species | 5 | 0 |
| brazil | goias | bothrops pauloensis | species | 24 | 0 |
| brazil | mato grosso | bothrops bilineata | species | 17 | 0 |
| brazil | mato grosso | bothrops brazili | species | 9 | 0 |
| brazil | mato grosso | bothrops matogrossensis | species | 41 | 0 |
| brazil | mato grosso | bothrops moojeni | species | 0 | 1 |
| brazil | mato grosso | bothrops neuwiedi | species | 0 | 1 |
| brazil | mato grosso | crotalus horridus | species | 0 | 1 |
| brazil | mato grosso do sul | bothrops matogrossensis | species | 2 | 0 |
| brazil | mato grosso do sul | bothrops moojeni | species | 0 | 1 |
| brazil | mato grosso do sul | bothrops neuwiedi | species | 0 | 1 |
| brazil | mato grosso do sul | crotalus horridus | species | 0 | 1 |
| brazil | minas gerais | bothrops alternatus | species | 6 | 1 |
| brazil | minas gerais | bothrops jararaca | species | 71 | 0 |
| brazil | minas gerais | bothrops jararacussu | species | 7 | 0 |
| brazil | minas gerais | bothrops marmoratus | species | 4 | 0 |
| brazil | minas gerais | bothrops neuwiedi | species | 53 | 1 |
| brazil | minas gerais | bothrops neuwiedi urutu | subspecies | 0 | 1 |
| brazil | minas gerais | bothrops pauloensis | species | 55 | 1 |
| brazil | minas gerais | crotalus durissus | species | 0 | 3 |
| brazil | minas gerais | crotalus durissus terrificus | subspecies | 21 | 2 |
| brazil | para | bothrops atrox | species | 179 | 0 |
| brazil | para | bothrops bilineata | species | 24 | 0 |
| brazil | para | bothrops taeniata | species | 8 | 0 |
| brazil | paraiba | bothrops bilineata | species | 30 | 0 |
| brazil | paraiba | bothrops erythromelas | species | 9 | 0 |
| brazil | paraiba | bothrops leucurus | species | 7 | 0 |
| brazil | paraiba | bothrops lutzi | species | 4 | 0 |
| brazil | paraiba | bothrops pirajai | species | 7 | 0 |
| brazil | paraiba | crotalus durissus | species | 0 | 1 |
| brazil | parana | bothrops diporus | species | 6 | 0 |
| brazil | parana | bothrops erythromelas | species | 4 | 0 |
| brazil | parana | bothrops jararaca | species | 42 | 0 |
| brazil | parana | bothrops neuwiedi | species | 3 | 0 |
| brazil | parana | crotalus durissus terrificus | subspecies | 19 | 0 |
| brazil | pernambuco | bothrops erythromelas | species | 30 | 0 |
| brazil | pernambuco | lachesis muta | species | 0 | 1 |
| brazil | piaui | bothrops lutzi | species | 15 | 0 |
| brazil | rio de janeiro | bothrops jararaca | species | 84 | 0 |
| brazil | rio de janeiro | crotalus horridus | species | 0 | 1 |
| brazil | rio grande do sul | bothrops alternatus | species | 5 | 0 |
| brazil | rio grande do sul | bothrops diporus | species | 825 | 0 |
| brazil | rio grande do sul | bothrops jararaca | species | 180 | 0 |
| brazil | rio grande do sul | bothrops pubescens | species | 779 | 0 |
| brazil | rondonia | bothrops bilineata | species | 72 | 0 |
| brazil | rondonia | bothrops brazili | species | 25 | 0 |
| brazil | roraima | bothrops bilineata | species | 31 | 0 |
| brazil | roraima | crotalus durissus | species | 0 | 1 |
| brazil | roraima | crotalus durissus ruruima | subspecies | 0 | 1 |
| brazil | santa catarina | bothrops diporus | species | 4 | 0 |
| brazil | santa catarina | bothrops jararaca | species | 43 | 0 |
| brazil | santa catarina | bothrops pubescens | species | 2 | 0 |
| brazil | sao paulo | bothrops alcatraz | species | 7 | 1 |
| brazil | sao paulo | bothrops insularis | species | 8 | 0 |
| brazil | sao paulo | bothrops jararaca | species | 176 | 6 |
| brazil | sao paulo | bothrops jararacussu | species | 12 | 1 |
| brazil | sao paulo | bothrops lutzi | species | 1 | 0 |
| brazil | sao paulo | bothrops moojeni | species | 1 | 0 |
| brazil | sao paulo | bothrops neuwiedi | species | 88 | 1 |
| brazil | sao paulo | bothrops neuwiedi/pauloensis | species | 4 | 0 |
| brazil | sao paulo | bothrops pauloensis | species | 10 | 0 |
| brazil | sao paulo | crotalus durissus | species | 7 | 7 |
| brazil | sao paulo | crotalus durissus collilineatus | subspecies | 6 | 0 |
| brazil | sao paulo | crotalus durissus ruruima | subspecies | 1 | 0 |
| brazil | sao paulo | crotalus durissus terrificus | subspecies | 16 | 5 |
| brazil | tocantins | bothrops lutzi | species | 25 | 0 |
| brazil | tocantins | bothrops marmoratus | species | 4 | 0 |
| brazil | tocantins | bothrops pauloensis | species | 9 | 0 |
| cambodia | | trimeresurus cardamomensis | species | 12 | 0 |
| cambodia | | trimeresurus macrops | species | 6 | 0 |
| cambodia | | trimeresurus rubeus | species | 9 | 0 |
| canada | | crotalus cerastes | species | 1 | 0 |
| canada | | crotalus lepidus | species | 1 | 0 |
| canada | ontario | sistrurus catenatus | species | 12 | 2 |
| canada | ontario | sistrurus catenatus catenatus | subspecies | 75 | 0 |
| china | | deinagkistrodon acutus | species | 14 | 0 |
| china | | gloydius brevicaudus | species | 13 | 0 |
| china | | gloydius halys | species | 3 | 0 |
| china | | gloydius halys caraganus | subspecies | 1 | 0 |
| china | | gloydius halys cognatus | subspecies | 14 | 0 |
| china | | gloydius halys halys | subspecies | 14 | 0 |
| china | | gloydius halys stejnegeri | subspecies | 8 | 0 |
| china | | gloydius intermedius | species | 13 | 0 |
| china | | gloydius liupanensis | species | 5 | 0 |
| china | | gloydius saxatilis | species | 6 | 0 |
| china | | gloydius saxatilis changdaoensis | subspecies | 5 | 0 |
| china | | gloydius shedaoensis qianshanensis | subspecies | 2 | 0 |
| china | | gloydius shedaoensis shedaoensis | subspecies | 2 | 0 |
| china | | gloydius ussuriensis | species | 4 | 0 |
| china | | ovophis monticola | species | 5 | 0 |
| china | | ovophis monticola makazayazaya | subspecies | 20 | 0 |
| china | | ovophis tonkinensis | species | 18 | 0 |
| china | | ovophis zayuensis | species | 8 | 0 |
| china | | protobothrops cornutus | species | 3 | 0 |
| china | | protobothrops dabieshanensis | species | 3 | 0 |
| china | | protobothrops himalayanus | species | 5 | 0 |
| china | | protobothrops jerdonii | species | 28 | 0 |
| china | | protobothrops kaulbacki | species | 10 | 0 |
| china | | protobothrops mangshanensis | species | 9 | 0 |
| china | | protobothrops maolanensis | species | 3 | 0 |
| china | | protobothrops mucrosquamatus | species | 8 | 0 |
| china | | protobothrops trungkhanhensis | species | 2 | 0 |
| china | | protobothrops xiangchengensis | species | 4 | 0 |
| china | | trimeresurus albolabris | species | 3 | 0 |
| china | | trimeresurus gumprechti | species | 3 | 0 |
| china | | trimeresurus medoensis | species | 2 | 0 |
| china | | trimeresurus stejnegeri | species | 14 | 0 |
| china | anhui | gloydius brevicaudus | species | 64 | 0 |
| china | anhui | protobothrops dabieshanensis | species | 8 | 0 |
| china | anhui | protobothrops flavoviridis | species | 0 | 1 |
| china | anhui | trimeresurus stejnegeri | species | 90 | 0 |
| china | beijing | gloydius brevicaudus | species | 1776 | 0 |
| china | beijing | gloydius halys stejnegeri | subspecies | 8 | 0 |
| china | beijing | protobothrops flavoviridis | species | 0 | 1 |
| china | chongqing | gloydius brevicaudus | species | 1 | 0 |
| china | chongqing | trimeresurus albolabris | species | 9 | 0 |
| china | chongqing | trimeresurus stejnegeri | species | 32 | 0 |
| china | fujian | deinagkistrodon acutus | species | 8 | 0 |
| china | fujian | protobothrops flavoviridis | species | 0 | 1 |
| china | fujian | trimeresurus albolabris | species | 9 | 0 |
| china | fujian | trimeresurus gumprechti | species | 24 | 0 |
| china | fujian | trimeresurus stejnegeri | species | 108 | 0 |
| china | gansu | gloydius liupanensis | species | 3 | 0 |
| china | gansu | gloydius sp. 4 sh-2014 | species | 2 | 0 |
| china | gansu | gloydius strauchi | species | 8 | 0 |
| china | gansu | protobothrops jerdonii | species | 3 | 0 |
| china | guangdong | gloydius brevicaudus | species | 5 | 0 |
| china | guangdong | protobothrops cornutus | species | 6 | 0 |
| china | guangdong | protobothrops flavoviridis | species | 0 | 1 |
| china | guangdong | protobothrops mangshanensis | species | 1 | 0 |
| china | guangdong | trimeresurus albolabris | species | 48 | 0 |
| china | guangdong | trimeresurus stejnegeri | species | 25 | 0 |
| china | guangxi | deinagkistrodon acutus | species | 1 | 0 |
| china | guangxi | gloydius brevicaudus | species | 2 | 0 |
| china | guangxi | protobothrops flavoviridis | species | 0 | 1 |
| china | guangxi | protobothrops trungkhanhensis | species | 4 | 0 |
| china | guangxi | trimeresurus albolabris | species | 64 | 0 |
| china | guangxi | trimeresurus stejnegeri | species | 53 | 0 |
| china | guizhou | gloydius brevicaudus | species | 4 | 0 |
| china | guizhou | gloydius shedaoensis | species | 2 | 0 |
| china | guizhou | protobothrops flavoviridis | species | 0 | 1 |
| china | guizhou | protobothrops maolanensis | species | 15 | 1 |
| china | guizhou | protobothrops mucrosquamatus | species | 19 | 0 |
| china | guizhou | trimeresurus stejnegeri | species | 99 | 1 |
| china | hainan | ovophis tonkinensis | species | 4 | 0 |
| china | hainan | protobothrops flavoviridis | species | 0 | 1 |
| china | hainan | protobothrops mucrosquamatus | species | 9 | 0 |
| china | hainan | trimeresurus albolabris | species | 48 | 0 |
| china | hainan | trimeresurus stejnegeri | species | 23 | 1 |
| china | hainan | trimeresurus yunnanensis | species | 3 | 0 |
| china | hebei | gloydius brevicaudus | species | 9 | 0 |
| china | heilongjiang | gloydius halys halys | subspecies | 5 | 0 |
| china | heilongjiang | gloydius intermedius | species | 2 | 0 |
| china | heilongjiang | gloydius saxatilis | species | 7 | 0 |
| china | heilongjiang | gloydius ussuriensis | species | 7 | 0 |
| china | henan | deinagkistrodon acutus | species | 1 | 0 |
| china | henan | protobothrops flavoviridis | species | 0 | 1 |
| china | hubei | gloydius brevicaudus | species | 54 | 0 |
| china | hubei | gloydius lijianlii | species | 20 | 0 |
| china | hubei | gloydius saxatilis | species | 5 | 0 |
| china | hubei | gloydius ussuriensis | species | 4 | 0 |
| china | hubei | protobothrops flavoviridis | species | 0 | 1 |
| china | hubei | trimeresurus albolabris | species | 30 | 0 |
| china | hubei | trimeresurus stejnegeri | species | 4 | 0 |
| china | hunan | deinagkistrodon acutus | species | 2 | 0 |
| china | hunan | gloydius brevicaudus | species | 8 | 0 |
| china | hunan | ovophis monticola makazayazaya | subspecies | 7 | 0 |
| china | hunan | protobothrops flavoviridis | species | 0 | 1 |
| china | hunan | protobothrops mangshanensis | species | 12 | 2 |
| china | hunan | protobothrops mucrosquamatus | species | 0 | 1 |
| china | hunan | trimeresurus stejnegeri | species | 27 | 0 |
| china | inner mongolia | gloydius halys cognatus | subspecies | 5 | 0 |
| china | inner mongolia | gloydius halys halys | subspecies | 3 | 0 |
| china | inner mongolia | gloydius intermedius | species | 2 | 0 |
| china | inner mongolia | trimeresurus albolabris | species | 4 | 0 |
| china | jiangsu | gloydius brevicaudus | species | 35 | 0 |
| china | jiangsu | gloydius saxatilis changdaoensis | subspecies | 4 | 0 |
| china | jiangsu | trimeresurus stejnegeri | species | 16 | 0 |
| china | jiangxi | deinagkistrodon acutus | species | 3 | 0 |
| china | jiangxi | gloydius brevicaudus | species | 39 | 0 |
| china | jiangxi | protobothrops flavoviridis | species | 0 | 2 |
| china | jiangxi | trimeresurus stejnegeri | species | 103 | 0 |
| china | jilin | gloydius saxatilis | species | 6 | 0 |
| china | jilin | gloydius ussuriensis | species | 9 | 0 |
| china | liaoning | gloydius brevicaudus | species | 28 | 0 |
| china | liaoning | gloydius halys halys | subspecies | 3 | 0 |
| china | liaoning | gloydius saxatilis | species | 20 | 0 |
| china | liaoning | gloydius shedaoensis | species | 337 | 0 |
| china | liaoning | gloydius shedaoensis qianshanensis | subspecies | 17 | 0 |
| china | liaoning | gloydius shedaoensis shedaoensis | subspecies | 3 | 0 |
| china | liaoning | gloydius ussuriensis | species | 17 | 0 |
| china | ningxia | gloydius halys cognatus | subspecies | 8 | 0 |
| china | ningxia | gloydius liupanensis | species | 11 | 0 |
| china | ningxia | gloydius sp. 3 sh-2014 | species | 4 | 0 |
| china | ningxia | gloydius strauchi | species | 6 | 0 |
| china | qinghai | gloydius sp. 1 sh-2014 | species | 6 | 0 |
| china | qinghai | gloydius strauchi | species | 10 | 0 |
| china | qinghai | protobothrops xiangchengensis | species | 13 | 0 |
| china | shaanxi | gloydius brevicaudus | species | 6 | 0 |
| china | shaanxi | gloydius halys stejnegeri | subspecies | 3 | 0 |
| china | shaanxi | gloydius intermedius | species | 1 | 0 |
| china | shaanxi | gloydius strauchi | species | 20 | 0 |
| china | shandong | gloydius brevicaudus | species | 639 | 0 |
| china | shandong | gloydius lijianlii | species | 155 | 0 |
| china | shandong | gloydius saxatilis changdaoensis | subspecies | 5 | 0 |
| china | shandong | gloydius sp. 2 sh-2014 | species | 4 | 0 |
| china | shandong | gloydius strauchi | species | 142 | 0 |
| china | shanghai shi | gloydius halys | species | 0 | 1 |
| china | shanghai shi | trimeresurus albolabris | species | 0 | 1 |
| china | shanxi | gloydius halys stejnegeri | subspecies | 3 | 0 |
| china | sichuan | gloydius brevicaudus | species | 51 | 0 |
| china | sichuan | gloydius halys cognatus | subspecies | 66 | 0 |
| china | sichuan | gloydius strauchi | species | 16 | 0 |
| china | sichuan | ovophis monticola | species | 5 | 0 |
| china | sichuan | ovophis monticola makazayazaya | subspecies | 35 | 0 |
| china | sichuan | protobothrops flavoviridis | species | 0 | 1 |
| china | sichuan | protobothrops jerdonii | species | 20 | 0 |
| china | sichuan | protobothrops mucrosquamatus | species | 52 | 0 |
| china | sichuan | protobothrops xiangchengensis | species | 6 | 0 |
| china | sichuan | trimeresurus sichuanensis | species | 4 | 0 |
| china | sichuan | trimeresurus stejnegeri | species | 66 | 0 |
| china | sichuan | trimeresurus yunnanensis | species | 3 | 0 |
| china | tibet | gloydius strauchi | species | 5 | 0 |
| china | tibet | protobothrops himalayanus | species | 11 | 0 |
| china | tibet | protobothrops kaulbacki | species | 11 | 0 |
| china | tibet | protobothrops mangshanensis | species | 3 | 0 |
| china | yunnan | gloydius brevicaudus | species | 14 | 0 |
| china | yunnan | gloydius monticola | species | 15 | 0 |
| china | yunnan | gloydius strauchi | species | 5 | 0 |
| china | yunnan | gloydius ussuriensis | species | 4 | 0 |
| china | yunnan | ovophis monticola | species | 68 | 0 |
| china | yunnan | ovophis monticola makazayazaya | subspecies | 34 | 0 |
| china | yunnan | ovophis zayuensis | species | 4 | 0 |
| china | yunnan | protobothrops flavoviridis | species | 0 | 1 |
| china | yunnan | protobothrops jerdonii | species | 16 | 0 |
| china | yunnan | trimeresurus albolabris | species | 27 | 0 |
| china | yunnan | trimeresurus gumprechti | species | 75 | 0 |
| china | yunnan | trimeresurus popeiorum | species | 49 | 0 |
| china | yunnan | trimeresurus stejnegeri | species | 29 | 1 |
| china | yunnan | trimeresurus yunnanensis | species | 4 | 0 |
| china | zhejiang | deinagkistrodon acutus | species | 12 | 1 |
| china | zhejiang | gloydius blomhoffii | species | 0 | 1 |
| china | zhejiang | gloydius brevicaudus | species | 21 | 1 |
| china | zhejiang | protobothrops flavoviridis | species | 0 | 1 |
| china | zhejiang | trimeresurus stejnegeri | species | 29 | 0 |
| colombia | | bothrops asper | species | 87 | 0 |
| colombia | | bothrops atrox | species | 3 | 0 |
| colombia | | bothrops isabelae | species | 4 | 0 |
| colombia | antioquia department | bothrops asper | species | 0 | 1 |
| colombia | antioquia department | bothrops atrox | species | 0 | 4 |
| colombia | antioquia department | crotalus durissus | species | 0 | 1 |
| colombia | antioquia department | crotalus durissus terrificus | subspecies | 0 | 1 |
| colombia | antioquia department | lachesis muta | species | 0 | 1 |
| colombia | atlantico department | bothrops atrox | species | 0 | 1 |
| colombia | atlantico department | crotalus durissus | species | 0 | 1 |
| colombia | atlantico department | crotalus durissus terrificus | subspecies | 0 | 1 |
| colombia | atlantico department | lachesis muta | species | 0 | 1 |
| colombia | captial district | bothrops atrox | species | 0 | 1 |
| colombia | choco department | bothrops atrox | species | 0 | 4 |
| colombia | choco department | crotalus durissus | species | 0 | 1 |
| colombia | choco department | crotalus durissus terrificus | subspecies | 0 | 1 |
| colombia | choco department | lachesis muta | species | 0 | 1 |
| colombia | huila department | bothrops atrox | species | 0 | 1 |
| colombia | huila department | crotalus durissus | species | 0 | 1 |
| colombia | huila department | crotalus durissus terrificus | subspecies | 0 | 1 |
| colombia | huila department | lachesis muta | species | 0 | 1 |
| colombia | meta department | bothrops atrox | species | 0 | 1 |
| colombia | meta department | crotalus durissus | species | 0 | 1 |
| colombia | meta department | crotalus durissus terrificus | subspecies | 0 | 1 |
| colombia | meta department | lachesis muta | species | 0 | 1 |
| colombia | tolima department | bothrops atrox | species | 0 | 1 |
| colombia | tolima department | crotalus durissus | species | 0 | 1 |
| colombia | tolima department | crotalus durissus terrificus | subspecies | 0 | 1 |
| colombia | tolima department | lachesis muta | species | 0 | 1 |
| costa rica | | bothriechis lateralis | species | 1 | 0 |
| costa rica | | bothriechis nigroviridis | species | 45 | 0 |
| costa rica | | bothriechis schlegelii | species | 1 | 0 |
| costa rica | | bothriechis sp. ajm-2015 | species | 21 | 0 |
| costa rica | | bothriechis supraciliaris | species | 1 | 0 |
| costa rica | | bothrops asper | species | 20 | 0 |
| costa rica | | cerrophidion godmani | species | 1 | 0 |
| costa rica | | crotalus durissus | species | 1 | 0 |
| costa rica | | crotalus simus | species | 54 | 0 |
| costa rica | | porthidium nasutum | species | 1 | 0 |
| costa rica | alajuela province | bothrops asper | species | 8 | 0 |
| costa rica | cartago province | bothriechis lateralis | species | 1 | 0 |
| costa rica | guanacaste province | bothrops asper | species | 0 | 2 |
| costa rica | guanacaste province | porthidium ophryomegas | species | 1 | 0 |
| costa rica | limon province | bothrops asper | species | 0 | 3 |
| costa rica | puntarenas province | bothrops asper | species | 2 | 2 |
| costa rica | san jose province | bothrops asper | species | 4 | 0 |
| costa rica | san jose province | cerrophidion godmani | species | 3 | 0 |
| ecuador | | bothrocophias hyoprora | species | 2 | 0 |
| ecuador | | bothrocophias microphthalmus | species | 4 | 0 |
| ecuador | | bothrops asper | species | 20 | 0 |
| ecuador | | bothrops atrox | species | 16 | 0 |
| ecuador | | bothrops bilineata | species | 18 | 0 |
| ecuador | | bothrops lojanus | species | 2 | 0 |
| ecuador | | porthidium arcosae | species | 2 | 0 |
| ecuador | | porthidium nasutum | species | 3 | 0 |
| ecuador | esmeraldas province | bothrops punctatus | species | 19 | 0 |
| ecuador | loja province | bothrops asper | species | 1 | 0 |
| ecuador | pastaza province | bothrops atrox | species | 0 | 1 |
| ecuador | pastaza province | lachesis muta | species | 0 | 1 |
| ecuador | pichincha province | bothrops osbornei | species | 14 | 0 |
| french guiana | | bothrops bilineata | species | 5 | 0 |
| germany | berlin | trimeresurus purpureomaculatus | species | 0 | 1 |
| guatemala | | bothriechis aurifer | species | 1 | 0 |
| guatemala | | bothriechis thalassinus | species | 1 | 0 |
| guatemala | | bothrops asper | species | 4 | 0 |
| guatemala | guatemala department | bothrops asper | species | 0 | 1 |
| guatemala | guatemala department | crotalus durissus | species | 0 | 1 |
| guyana | | bothrops bilineata | species | 14 | 0 |
| guyana | barima-waini region | bothrops atrox | species | 1 | 0 |
| honduras | | atropoides mexicanus | species | 3 | 0 |
| honduras | | bothriechis guifarroi | species | 18 | 0 |
| honduras | | bothrops asper | species | 2 | 0 |
| honduras | | cerrophidion wilsoni | species | 26 | 0 |
| honduras | francisco morazan department | atropoides indomitus | species | 1 | 0 |
| hong kong | | gloydius halys | species | 0 | 4 |
| hong kong | | trimeresurus albolabris | species | 2 | 10 |
| india | | hypnale hypnale | species | 4 | 0 |
| india | | protobothrops jerdonii | species | 3 | 0 |
| india | | protobothrops kaulbacki | species | 3 | 0 |
| india | | protobothrops mucrosquamatus | species | 3 | 0 |
| india | | trimeresurus andersonii | species | 3 | 0 |
| india | | trimeresurus cantori | species | 3 | 0 |
| india | | trimeresurus erythrurus | species | 1 | 0 |
| india | | trimeresurus gramineus | species | 36 | 0 |
| india | | trimeresurus malabaricus | species | 30 | 0 |
| india | | trimeresurus septentrionalis | species | 3 | 0 |
| india | andhra pradesh | trimeresurus erythrurus | species | 4 | 0 |
| india | goa | hypnale hypnale | species | 4 | 0 |
| india | goa | trimeresurus gramineus | species | 2 | 0 |
| india | goa | trimeresurus malabaricus | species | 4 | 0 |
| india | kerala | hypnale hypnale | species | 0 | 2 |
| india | mizoram | trimeresurus popeiorum | species | 1 | 0 |
| india | odisha | trimeresurus gramineus | species | 15 | 0 |
| india | tamil nadu | hypnale hypnale | species | 3 | 0 |
| india | tamil nadu | trimeresurus gramineus | species | 1 | 0 |
| india | tamil nadu | trimeresurus malabaricus | species | 3 | 0 |
| india | west bengal | trimeresurus gramineus | species | 1 | 0 |
| india | west bengal | trimeresurus popeiorum | species | 2 | 0 |
| indonesia | | trimeresurus hageni | species | 8 | 0 |
| indonesia | | trimeresurus insularis | species | 8 | 0 |
| indonesia | | trimeresurus popeiorum | species | 4 | 0 |
| indonesia | | trimeresurus puniceus | species | 9 | 0 |
| indonesia | | trimeresurus sumatranus | species | 8 | 0 |
| indonesia | bengkulu province | trimeresurus hageni | species | 1 | 0 |
| indonesia | bengkulu province | trimeresurus puniceus | species | 1 | 0 |
| indonesia | bengkulu province | trimeresurus sumatranus | species | 2 | 0 |
| indonesia | central sulawesi province | calloselasma rhodostoma | species | 3 | 0 |
| indonesia | east nusa tenggara province | trimeresurus insularis | species | 5 | 0 |
| indonesia | jambi province | trimeresurus puniceus | species | 1 | 0 |
| indonesia | jambi province | trimeresurus sabahi | species | 4 | 0 |
| indonesia | lampung province | trimeresurus sabahi | species | 4 | 0 |
| indonesia | north sumatra province | trimeresurus sabahi | species | 8 | 0 |
| indonesia | south sulawesi province | trimeresurus fasciatus | species | 8 | 0 |
| indonesia | south sulawesi province | trimeresurus hageni | species | 8 | 0 |
| indonesia | south sulawesi province | trimeresurus popeiorum | species | 4 | 0 |
| indonesia | south sulawesi province | trimeresurus sumatranus | species | 8 | 0 |
| indonesia | west java province | trimeresurus albolabris | species | 5 | 0 |
| japan | | gloydius blomhoffii | species | 21 | 0 |
| japan | | ovophis okinavensis | species | 2 | 0 |
| japan | | protobothrops flavoviridis | species | 9 | 0 |
| japan | gifu prefecture | gloydius blomhoffii | species | 1 | 0 |
| japan | gifu prefecture | gloydius halys | species | 0 | 1 |
| japan | kagoshima prefecture | ovophis okinavensis | species | 1 | 0 |
| japan | kagoshima prefecture | protobothrops flavoviridis | species | 58 | 0 |
| japan | kagoshima prefecture | protobothrops tokarensis | species | 15 | 0 |
| japan | okinawa prefecture | ovophis okinavensis | species | 113 | 1 |
| japan | okinawa prefecture | protobothrops elegans | species | 8 | 1 |
| japan | okinawa prefecture | protobothrops flavoviridis | species | 157 | 4 |
| japan | okinawa prefecture | protobothrops mucrosquamatus | species | 2 | 0 |
| japan | okinawa prefecture | trimeresurus stejnegeri | species | 0 | 1 |
| japan | shiga prefecture | gloydius blomhoffii blomhoffii | subspecies | 2 | 0 |
| kazakhstan | | gloydius halys caraganus | subspecies | 1 | 0 |
| kazakhstan | | gloydius halys halys | subspecies | 2 | 0 |
| kyrgyzstan | | gloydius sp. es-2015 | species | 2 | 0 |
| laos | | trimeresurus macrops | species | 25 | 0 |
| laos | | trimeresurus popeiorum | species | 1 | 0 |
| laos | | trimeresurus vogeli | species | 4 | 0 |
| laos | phongsali province | trimeresurus popeiorum | species | 3 | 0 |
| laos | savannakhet province | trimeresurus albolabris | species | 0 | 1 |
| laos | sekong province | trimeresurus albolabris | species | 4 | 0 |
| laos | vientiane prefecture | trimeresurus albolabris | species | 0 | 1 |
| malaysia | | garthius chaseni | species | 1 | 0 |
| malaysia | | trimeresurus borneensis | species | 2 | 0 |
| malaysia | | trimeresurus purpureomaculatus | species | 4 | 0 |
| malaysia | | tropidolaemus wagleri | species | 6 | 0 |
| malaysia | pahang | ovophis convictus | species | 8 | 0 |
| malaysia | pahang | trimeresurus popeiorum | species | 26 | 0 |
| malaysia | perak | trimeresurus hageni | species | 4 | 0 |
| malaysia | perak | tropidolaemus wagleri | species | 3 | 0 |
| malaysia | pulau pinang | calloselasma rhodostoma | species | 0 | 1 |
| malaysia | sabah | garthius chaseni | species | 5 | 0 |
| malaysia | sabah | trimeresurus borneensis | species | 2 | 0 |
| malaysia | sabah | trimeresurus malcolmi | species | 9 | 0 |
| malaysia | sabah | trimeresurus popeiorum | species | 14 | 0 |
| malaysia | sabah | trimeresurus sabahi | species | 2 | 0 |
| malaysia | sabah | trimeresurus sumatranus | species | 8 | 0 |
| malaysia | sabah | tropidolaemus subannulatus | species | 2 | 0 |
| malaysia | sabah | tropidolaemus wagleri | species | 3 | 0 |
| malaysia | selangor | trimeresurus hageni | species | 4 | 0 |
| malaysia | selangor | trimeresurus sabahi | species | 1 | 0 |
| martinique | | bothrops lanceolatus | species | 0 | 7 |
| mexico | | atropoides nummifer | species | 1 | 0 |
| mexico | | bothriechis rowleyi | species | 1 | 0 |
| mexico | | bothrops asper | species | 10 | 0 |
| mexico | | crotalus basiliscus | species | 10 | 0 |
| mexico | | crotalus culminatus | species | 13 | 0 |
| mexico | | crotalus polystictus | species | 16 | 0 |
| mexico | | crotalus ravus | species | 91 | 0 |
| mexico | | crotalus ravus brunneus | subspecies | 5 | 0 |
| mexico | | crotalus ravus exiguus | subspecies | 1 | 0 |
| mexico | | crotalus ravus ravus | subspecies | 40 | 0 |
| mexico | | crotalus scutulatus | species | 44 | 0 |
| mexico | | crotalus scutulatus scutulatus | subspecies | 1 | 0 |
| mexico | | crotalus simus | species | 447 | 0 |
| mexico | | crotalus totonacus | species | 28 | 0 |
| mexico | | crotalus transversus | species | 3 | 0 |
| mexico | | crotalus triseriatus triseriatus | subspecies | 3 | 0 |
| mexico | | crotalus tzabcan | species | 29 | 0 |
| mexico | aguascalientes | crotalus aquilus | species | 3 | 0 |
| mexico | aguascalientes | crotalus lepidus klauberi | subspecies | 6 | 0 |
| mexico | aguascalientes | crotalus lepidus x aquilus | species | 28 | 0 |
| mexico | baja california | crotalus atrox | species | 5 | 0 |
| mexico | baja california | crotalus mitchellii | species | 0 | 2 |
| mexico | baja california | crotalus mitchellii angelensis | subspecies | 2 | 0 |
| mexico | baja california | crotalus mitchellii pyrrhus | subspecies | 24 | 1 |
| mexico | baja california | crotalus ruber | species | 0 | 1 |
| mexico | baja california | crotalus ruber exsul | subspecies | 2 | 0 |
| mexico | baja california | crotalus tigris | species | 0 | 1 |
| mexico | baja california | crotalus tortugensis | species | 2 | 0 |
| mexico | baja california sur | crotalus atrox | species | 6 | 0 |
| mexico | baja california sur | crotalus catalinensis | species | 4 | 0 |
| mexico | baja california sur | crotalus enyo | species | 4 | 0 |
| mexico | baja california sur | crotalus mitchellii | species | 8 | 0 |
| mexico | baja california sur | crotalus tortugensis | species | 3 | 0 |
| mexico | chihuahua | crotalus lepidus | species | 1 | 0 |
| mexico | chihuahua | crotalus lepidus klauberi | subspecies | 26 | 0 |
| mexico | chihuahua | crotalus molossus | species | 1 | 0 |
| mexico | chihuahua | crotalus pricei | species | 2 | 0 |
| mexico | chihuahua | crotalus pricei pricei | subspecies | 33 | 0 |
| mexico | coahuila zaragoza | crotalus lepidus lepidus | subspecies | 3 | 0 |
| mexico | coahuila zaragoza | crotalus lepidus morulus | subspecies | 9 | 0 |
| mexico | coahuila zaragoza | crotalus pricei miquihuanus | subspecies | 9 | 0 |
| mexico | colima | crotalus armstrongi | species | 3 | 0 |
| mexico | colima | crotalus lannomi | species | 10 | 0 |
| mexico | durango | crotalus lepidus | species | 1 | 0 |
| mexico | durango | crotalus lepidus klauberi | subspecies | 15 | 0 |
| mexico | durango | crotalus lepidus maculosus | subspecies | 6 | 0 |
| mexico | durango | crotalus molossus | species | 1 | 0 |
| mexico | durango | crotalus pricei pricei | subspecies | 35 | 0 |
| mexico | federal district | crotalus polystictus | species | 5 | 0 |
| mexico | federal district | crotalus transversus | species | 3 | 0 |
| mexico | federal district | crotalus triseriatus | species | 15 | 0 |
| mexico | federal district | crotalus triseriatus triseriatus | subspecies | 7 | 0 |
| mexico | federal district | sistrurus ravus | species | 5 | 0 |
| mexico | guanajuato | crotalus aquilus | species | 6 | 0 |
| mexico | guerrero | crotalus ericsmithi | species | 6 | 0 |
| mexico | guerrero | crotalus intermedius omiltemanus | subspecies | 9 | 0 |
| mexico | guerrero | crotalus ravus exiguus | subspecies | 9 | 0 |
| mexico | hidalgo | agkistrodon taylori | species | 0 | 1 |
| mexico | hidalgo | crotalus aquilus | species | 20 | 0 |
| mexico | jalisco | crotalus armstrongi | species | 15 | 0 |
| mexico | jalisco | crotalus lepidus klauberi | subspecies | 12 | 0 |
| mexico | jalisco | crotalus pricei pricei | subspecies | 5 | 0 |
| mexico | jalisco | crotalus pusillus | species | 3 | 0 |
| mexico | mexico | crotalus aquilus | species | 6 | 0 |
| mexico | mexico | crotalus ravus ravus | subspecies | 5 | 0 |
| mexico | mexico | crotalus sp. aal-2011 | species | 6 | 0 |
| mexico | mexico | crotalus triseriatus triseriatus | subspecies | 10 | 0 |
| mexico | michoacan ocampo | crotalus aquilus | species | 6 | 0 |
| mexico | michoacan ocampo | crotalus armstrongi | species | 22 | 0 |
| mexico | michoacan ocampo | crotalus pusillus | species | 17 | 0 |
| mexico | michoacan ocampo | crotalus sp. aal-2011 | species | 6 | 0 |
| mexico | michoacan ocampo | crotalus tancitarensis | species | 6 | 0 |
| mexico | michoacan ocampo | crotalus triseriatus triseriatus | subspecies | 8 | 0 |
| mexico | morelos | crotalus transversus | species | 6 | 0 |
| mexico | nayarit | crotalus basiliscus | species | 5 | 0 |
| mexico | nayarit | crotalus lepidus maculosus | subspecies | 2 | 0 |
| mexico | nuevo leon | crotalus lepidus morulus | subspecies | 20 | 0 |
| mexico | nuevo leon | crotalus pricei | species | 5 | 0 |
| mexico | nuevo leon | crotalus pricei miquihuanus | subspecies | 11 | 0 |
| mexico | oaxaca | crotalus intermedius gloydi | subspecies | 4 | 0 |
| mexico | oaxaca | crotalus ravus brunneus | subspecies | 6 | 0 |
| mexico | puebla | crotalus intermedius intermedius | subspecies | 10 | 0 |
| mexico | puebla | crotalus ravus ravus | subspecies | 13 | 0 |
| mexico | puebla | crotalus triseriatus triseriatus | subspecies | 15 | 0 |
| mexico | queretaro arteaga | crotalus aquilus | species | 52 | 0 |
| mexico | san luis potosi | crotalus aquilus | species | 13 | 0 |
| mexico | san luis potosi | crotalus atrox | species | 2 | 0 |
| mexico | san luis potosi | crotalus cerastes | species | 1 | 0 |
| mexico | san luis potosi | crotalus lepidus x aquilus | species | 6 | 0 |
| mexico | sinaloa | crotalus lepidus maculosus | subspecies | 3 | 0 |
| mexico | sinaloa | crotalus stejnegeri | species | 10 | 0 |
| mexico | sonora | crotalus atrox | species | 2 | 1 |
| mexico | sonora | crotalus lepidus klauberi | subspecies | 3 | 0 |
| mexico | sonora | crotalus molossus | species | 1 | 0 |
| mexico | sonora | crotalus tigris | species | 9 | 0 |
| mexico | sonora | crotalus willardi | species | 16 | 0 |
| mexico | tamaulipas | crotalus lepidus morulus | subspecies | 18 | 0 |
| mexico | tamaulipas | crotalus pricei | species | 1 | 0 |
| mexico | tamaulipas | crotalus pricei miquihuanus | subspecies | 6 | 0 |
| mexico | tlaxcala | crotalus ravus ravus | subspecies | 3 | 0 |
| mexico | veracruz-llave | crotalus atrox | species | 1 | 0 |
| mexico | veracruz-llave | crotalus intermedius | species | 5 | 0 |
| mexico | veracruz-llave | crotalus molossus | species | 6 | 0 |
| mexico | veracruz-llave | crotalus ravus ravus | subspecies | 4 | 0 |
| mexico | veracruz-llave | crotalus simus | species | 0 | 1 |
| mexico | veracruz-llave | crotalus triseriatus triseriatus | subspecies | 6 | 0 |
| mexico | zacatecas | crotalus atrox | species | 2 | 0 |
| mexico | zacatecas | crotalus lepidus klauberi | subspecies | 6 | 0 |
| mongolia | | gloydius intermedius intermedius | subspecies | 1 | 0 |
| myanmar | | trimeresurus erythrurus | species | 4 | 0 |
| myanmar | | trimeresurus medoensis | species | 4 | 0 |
| myanmar | | trimeresurus popeiorum | species | 12 | 0 |
| myanmar | | trimeresurus purpureomaculatus | species | 4 | 0 |
| myanmar | chin | ovophis monticola | species | 8 | 0 |
| myanmar | chin | ovophis zayuensis | species | 4 | 0 |
| myanmar | chin | trimeresurus septentrionalis | species | 6 | 0 |
| myanmar | madalay | trimeresurus septentrionalis | species | 10 | 0 |
| myanmar | mon | trimeresurus albolabris | species | 52 | 0 |
| myanmar | rakhine | trimeresurus erythrus/purpureomaculatus | species | 21 | 0 |
| myanmar | tanintharyi division | trimeresurus popeiorum | species | 0 | 1 |
| myanmar | yangon division | trimeresurus purpureomaculatus | species | 25 | 0 |
| nepal | | trimeresurus septentrionalis | species | 6 | 0 |
| nepal | | trimeresurus tibetanus | species | 4 | 0 |
| nepal | central development region | trimeresurus septentrionalis | species | 15 | 0 |
| nepal | western development region | ovophis monticola | species | 11 | 0 |
| panama | | bothrops asper | species | 22 | 0 |
| panama | | porthidium lansbergii | species | 7 | 0 |
| panama | bocas del toro province | bothriechis schlegelii | species | 10 | 0 |
| panama | bocas del toro province | bothrops asper | species | 8 | 0 |
| panama | cocle province | bothriechis lateralis | species | 2 | 0 |
| panama | cocle province | bothrops asper | species | 2 | 0 |
| panama | cocle province | porthidium nasutum | species | 2 | 0 |
| panama | colon province | bothriechis schlegelii | species | 2 | 0 |
| panama | colon province | bothrops asper | species | 4 | 0 |
| panama | darien province | bothrops asper | species | 2 | 0 |
| paraguay | | crotalus durissus | species | 2 | 0 |
| peru | | bothrops atrox | species | 3 | 0 |
| peru | | bothrops pictus | species | 1 | 0 |
| peru | | lachesis muta | species | 1 | 0 |
| peru | amazonas region | crotalus simus | species | 0 | 1 |
| peru | amazonas region | lachesis muta | species | 0 | 1 |
| peru | amazonas region | lachesis stenophrys | species | 0 | 2 |
| peru | ucayali region | lachesis muta | species | 0 | 1 |
| philippines | | trimeresurus flavomaculatus | species | 5 | 0 |
| philippines | | trimeresurus schultzei | species | 4 | 0 |
| philippines | cagayan valley region | trimeresurus mcgregori | species | 35 | 0 |
| russia | | gloydius halys halys | subspecies | 1 | 0 |
| russia | | gloydius intermedius | species | 1 | 0 |
| russia | | gloydius ussuriensis | species | 2 | 0 |
| saint lucia | | bothrops lanceolatus | species | 0 | 1 |
| singapore | | trimeresurus purpureomaculatus | species | 0 | 1 |
| south korea | | gloydius blomhoffii | species | 1 | 0 |
| south korea | | gloydius brevicaudus | species | 2 | 0 |
| south korea | gangwon province | gloydius saxatilis | species | 1 | 0 |
| sri lanka | | trimeresurus trigonocephalus | species | 1 | 0 |
| sri lanka | central province | hypnale hypnale | species | 0 | 1 |
| sri lanka | north central province | hypnale hypnale | species | 0 | 1 |
| sri lanka | sabaragamuwa province | trimeresurus trigonocephalus | species | 1 | 0 |
| sri lanka | southern province | hypnale hypnale | species | 0 | 1 |
| sri lanka | southern province | hypnale nepa | species | 0 | 1 |
| sri lanka | southern province | hypnale zara | species | 0 | 1 |
| sri lanka | southern province | protobothrops flavoviridis | species | 0 | 1 |
| sri lanka | western province | hypnale hypnale | species | 0 | 1 |
| sri lanka | western province | hypnale nepa | species | 0 | 1 |
| sri lanka | western province | hypnale zara | species | 0 | 1 |
| suriname | | bothrops atrox | species | 4 | 0 |
| taiwan | | bothrops jararaca | species | 0 | 1 |
| taiwan | | calloselasma rhodostoma | species | 0 | 1 |
| taiwan | | deinagkistrodon acutus | species | 5 | 6 |
| taiwan | | gloydius halys | species | 0 | 1 |
| taiwan | | ovophis monticola makazayazaya | subspecies | 3 | 0 |
| taiwan | | ovophis okinavensis | species | 0 | 1 |
| taiwan | | protobothrops elegans | species | 0 | 1 |
| taiwan | | protobothrops flavoviridis | species | 0 | 5 |
| taiwan | | protobothrops mucrosquamatus | species | 8 | 11 |
| taiwan | | trimeresurus gracilis | species | 16 | 1 |
| taiwan | | trimeresurus stejnegeri | species | 46 | 10 |
| taiwan | | trimeresurus stejnegeri stejnegeri | subspecies | 2 | 0 |
| taiwan | taiwan municipality | deinagkistrodon acutus | species | 24 | 0 |
| taiwan | taiwan municipality | trimeresurus stejnegeri | species | 3 | 0 |
| tajikistan | | gloydius halys | species | 5 | 0 |
| tajikistan | | gloydius halys halys | subspecies | 1 | 0 |
| thailand | | calloselasma rhodostoma | species | 16 | 0 |
| thailand | | crotalus oreganus helleri | subspecies | 4 | 0 |
| thailand | | trimeresurus albolabris | species | 19 | 0 |
| thailand | | trimeresurus gumprechti | species | 1 | 0 |
| thailand | | trimeresurus hageni | species | 1 | 0 |
| thailand | | trimeresurus kanburiensis | species | 3 | 0 |
| thailand | | trimeresurus macrops | species | 29 | 0 |
| thailand | | trimeresurus popeiorum | species | 31 | 0 |
| thailand | | trimeresurus purpureomaculatus | species | 5 | 0 |
| thailand | | trimeresurus stejnegeri | species | 4 | 0 |
| thailand | | trimeresurus venustus | species | 15 | 0 |
| thailand | | trimeresurus vogeli | species | 3 | 0 |
| thailand | bangkok | trimeresurus albolabris | species | 0 | 4 |
| thailand | bangkok | trimeresurus macrops | species | 1 | 0 |
| thailand | buriram province | trimeresurus albolabris | species | 5 | 0 |
| thailand | buriram province | trimeresurus macrops | species | 8 | 0 |
| thailand | kanchanaburi province | trimeresurus kanburiensis | species | 0 | 1 |
| thailand | loei province | trimeresurus albolabris | species | 1 | 0 |
| thailand | loei province | trimeresurus gumprechti | species | 7 | 0 |
| thailand | nakhon si thammarat province | trimeresurus albolabris | species | 5 | 0 |
| thailand | nakhon si thammarat province | trimeresurus sabahi | species | 3 | 0 |
| thailand | nakhon si thammarat province | trimeresurus venustus | species | 1 | 0 |
| thailand | nonthaburi province | trimeresurus albolabris | species | 1 | 0 |
| thailand | nonthaburi province | trimeresurus macrops | species | 15 | 0 |
| thailand | nonthaburi province | trimeresurus popeiorum | species | 10 | 0 |
| thailand | ranong province | trimeresurus purpureomaculatus | species | 2 | 0 |
| thailand | satun province | calloselasma rhodostoma | species | 2 | 0 |
| thailand | satun province | trimeresurus hageni | species | 33 | 0 |
| thailand | satun province | trimeresurus purpureomaculatus | species | 2 | 0 |
| thailand | songkhla province | trimeresurus hageni | species | 1 | 0 |
| trinidad and tobago | | bothrops atrox | species | 2 | 0 |
| united kingdom | england | calloselasma rhodostoma | species | 0 | 1 |
| united kingdom | england | crotalus atrox | species | 0 | 1 |
| united states | | agkistrodon piscivorus | species | 10 | 0 |
| united states | | crotalus adamanteus | species | 1 | 0 |
| united states | | crotalus atrox | species | 20 | 0 |
| united states | | crotalus cerberus | species | 1 | 0 |
| united states | | crotalus horridus | species | 1 | 0 |
| united states | | crotalus oreganus | species | 1 | 0 |
| united states | | crotalus scutulatus | species | 54 | 0 |
| united states | | crotalus viridis | species | 1 | 0 |
| united states | | sistrurus miliarius | species | 8 | 0 |
| united states | arizona | crotalus atrox | species | 141 | 3 |
| united states | arizona | crotalus cerastes | species | 1 | 0 |
| united states | arizona | crotalus lepidus | species | 0 | 1 |
| united states | arizona | crotalus lepidus klauberi | subspecies | 9 | 1 |
| united states | arizona | crotalus mitchellii pyrrhus | subspecies | 8 | 0 |
| united states | arizona | crotalus molossus | species | 4 | 0 |
| united states | arizona | crotalus pricei | species | 4 | 0 |
| united states | arizona | crotalus pricei pricei | subspecies | 22 | 0 |
| united states | arizona | crotalus scutulatus | species | 397 | 7 |
| united states | arizona | crotalus scutulatus scutulatus | subspecies | 2 | 6 |
| united states | arizona | crotalus tigris | species | 62318 | 0 |
| united states | arizona | crotalus viridis | species | 0 | 2 |
| united states | arizona | crotalus viridis viridis | subspecies | 0 | 2 |
| united states | arizona | sistrurus catenatus edwardsi | subspecies | 19 | 0 |
| united states | arkansas | crotalus atrox | species | 0 | 1 |
| united states | arkansas | crotalus horridus | species | 6 | 1 |
| united states | california | crotalus atrox | species | 12 | 1 |
| united states | california | crotalus cerastes | species | 8 | 0 |
| united states | california | crotalus lepidus | species | 0 | 1 |
| united states | california | crotalus mitchellii | species | 9 | 1 |
| united states | california | crotalus mitchellii pyrrhus | subspecies | 10 | 1 |
| united states | california | crotalus molossus | species | 1 | 0 |
| united states | california | crotalus oreganus | species | 1 | 2 |
| united states | california | crotalus oreganus helleri | subspecies | 5 | 5 |
| united states | california | crotalus oreganus oreganus | subspecies | 0 | 2 |
| united states | california | crotalus ruber | species | 12 | 3 |
| united states | california | crotalus scutulatus | species | 7 | 3 |
| united states | california | crotalus scutulatus scutulatus | subspecies | 0 | 2 |
| united states | california | crotalus stephensi | species | 1 | 0 |
| united states | california | crotalus tigris | species | 0 | 1 |
| united states | california | crotalus tortugensis | species | 0 | 1 |
| united states | california | crotalus viridis | species | 8 | 1 |
| united states | colorado | crotalus viridis | species | 0 | 4 |
| united states | colorado | crotalus viridis viridis | subspecies | 0 | 4 |
| united states | colorado | sistrurus catenatus edwardsi | subspecies | 19 | 0 |
| united states | delaware | agkistrodon contortrix | species | 0 | 1 |
| united states | florida | agkistrodon piscivorus | species | 20 | 1 |
| united states | florida | crotalus adamanteus | species | 223 | 0 |
| united states | florida | crotalus horridus | species | 2 | 1 |
| united states | florida | sistrurus miliarius | species | 12 | 2 |
| united states | florida | sistrurus miliarius barbouri | subspecies | 56 | 2 |
| united states | georgia | agkistrodon contortrix | species | 0 | 1 |
| united states | georgia | agkistrodon piscivorus | species | 0 | 1 |
| united states | georgia | crotalus adamanteus | species | 29 | 0 |
| united states | georgia | crotalus horridus | species | 2 | 0 |
| united states | georgia | sistrurus miliarius | species | 1 | 0 |
| united states | illinois | sistrurus catenatus | species | 0 | 2 |
| united states | illinois | sistrurus catenatus catenatus | subspecies | 37 | 1 |
| united states | iowa | sistrurus catenatus | species | 0 | 2 |
| united states | iowa | sistrurus catenatus tergeminus | subspecies | 0 | 1 |
| united states | kansas | agkistrodon contortrix | species | 2 | 2 |
| united states | kansas | agkistrodon contortrix phaeogaster | subspecies | 0 | 1 |
| united states | kansas | sistrurus catenatus tergeminus | subspecies | 59 | 0 |
| united states | kentucky | agkistrodon contortrix | species | 0 | 2 |
| united states | louisiana | agkistrodon contortrix | species | 0 | 1 |
| united states | louisiana | agkistrodon piscivorus | species | 3 | 0 |
| united states | massachusetts | crotalus horridus | species | 0 | 1 |
| united states | michigan | sistrurus catenatus | species | 0 | 2 |
| united states | michigan | sistrurus catenatus catenatus | subspecies | 19 | 0 |
| united states | mississippi | sistrurus catenatus | species | 0 | 1 |
| united states | mississippi | sistrurus catenatus tergeminus | subspecies | 0 | 1 |
| united states | missouri | agkistrodon contortrix | species | 0 | 2 |
| united states | missouri | sistrurus catenatus tergeminus | subspecies | 94 | 0 |
| united states | nevada | crotalus mitchellii pyrrhus | subspecies | 4 | 0 |
| united states | nevada | crotalus scutulatus | species | 0 | 1 |
| united states | nevada | crotalus scutulatus scutulatus | subspecies | 0 | 1 |
| united states | nevada | crotalus stephensi | species | 3 | 0 |
| united states | new mexico | crotalus atrox | species | 122 | 1 |
| united states | new mexico | crotalus lepidus | species | 0 | 1 |
| united states | new mexico | crotalus lepidus klauberi | subspecies | 15 | 1 |
| united states | new mexico | crotalus molossus | species | 5 | 0 |
| united states | new mexico | crotalus scutulatus | species | 66 | 3 |
| united states | new mexico | crotalus scutulatus scutulatus | subspecies | 0 | 2 |
| united states | new mexico | crotalus scutulatus x viridis | species | 78 | 1 |
| united states | new mexico | crotalus viridis | species | 185 | 4 |
| united states | new mexico | crotalus viridis viridis | subspecies | 0 | 4 |
| united states | new mexico | crotalus willardi | species | 0 | 1 |
| united states | new mexico | crotalus willardi obscurus | subspecies | 0 | 1 |
| united states | new mexico | sistrurus catenatus edwardsi | subspecies | 51 | 0 |
| united states | new york | crotalus horridus | species | 6 | 0 |
| united states | new york | sistrurus catenatus | species | 0 | 1 |
| united states | new york | sistrurus catenatus catenatus | subspecies | 19 | 0 |
| united states | north carolina | agkistrodon contortrix | species | 0 | 2 |
| united states | north carolina | agkistrodon piscivorus | species | 1 | 1 |
| united states | north carolina | sistrurus miliarius miliarius | subspecies | 8 | 0 |
| united states | ohio | agkistrodon contortrix | species | 18 | 0 |
| united states | ohio | sistrurus catenatus | species | 0 | 1 |
| united states | ohio | sistrurus catenatus catenatus | subspecies | 18 | 0 |
| united states | oklahoma | crotalus atrox | species | 2 | 1 |
| united states | oklahoma | crotalus viridis | species | 0 | 1 |
| united states | oklahoma | crotalus viridis viridis | subspecies | 0 | 1 |
| united states | oklahoma | sistrurus catenatus tergeminus | subspecies | 7 | 0 |
| united states | oklahoma | sistrurus miliarius streckeri | subspecies | 38 | 0 |
| united states | pennsylvania | crotalus horridus | species | 0 | 1 |
| united states | pennsylvania | sistrurus catenatus catenatus | subspecies | 19 | 0 |
| united states | south carolina | sistrurus miliarius miliarius | subspecies | 19 | 0 |
| united states | south dakota | crotalus viridis | species | 0 | 1 |
| united states | south dakota | crotalus viridis viridis | subspecies | 0 | 2 |
| united states | tennessee | crotalus viridis | species | 0 | 1 |
| united states | texas | agkistrodon contortrix | species | 0 | 4 |
| united states | texas | agkistrodon contortrix phaeogaster | subspecies | 0 | 1 |
| united states | texas | bothrops moojeni | species | 1 | 0 |
| united states | texas | crotalus adamanteus | species | 1 | 0 |
| united states | texas | crotalus atrox | species | 939 | 4 |
| united states | texas | crotalus horridus | species | 1 | 0 |
| united states | texas | crotalus lepidus | species | 2 | 0 |
| united states | texas | crotalus lepidus klauberi | subspecies | 3 | 0 |
| united states | texas | crotalus lepidus lepidus | subspecies | 9 | 0 |
| united states | texas | crotalus molossus | species | 13 | 0 |
| united states | texas | crotalus scutulatus | species | 0 | 1 |
| united states | texas | crotalus scutulatus scutulatus | subspecies | 2 | 1 |
| united states | texas | crotalus viridis | species | 8 | 1 |
| united states | texas | crotalus viridis viridis | subspecies | 0 | 1 |
| united states | texas | sistrurus catenatus edwardsi | subspecies | 26 | 0 |
| united states | texas | sistrurus catenatus tergeminus | subspecies | 47 | 0 |
| united states | utah | crotalus scutulatus | species | 0 | 1 |
| united states | utah | crotalus scutulatus scutulatus | subspecies | 0 | 1 |
| united states | utah | crotalus viridis | species | 1 | 0 |
| united states | virginia | crotalus adamanteus | species | 0 | 1 |
| united states | wisconsin | sistrurus catenatus catenatus | subspecies | 19 | 0 |
| united states | wyoming | crotalus viridis | species | 0 | 1 |
| united states | wyoming | crotalus viridis viridis | subspecies | 0 | 1 |
| venezuela | | bothrops brazili | species | 4 | 0 |
| venezuela | | bothrops colombiensis | species | 3 | 0 |
| venezuela | | bothrops isabelae | species | 18 | 0 |
| venezuela | | bothrops venezuelensis | species | 4 | 0 |
| venezuela | | crotalus durissus | species | 5 | 0 |
| venezuela | | porthidium lansbergii rozei | subspecies | 1 | 0 |
| venezuela | anzoategui | crotalus durissus | species | 0 | 2 |
| venezuela | aragua | crotalus durissus | species | 0 | 1 |
| venezuela | capital district | bothrops atrox | species | 0 | 1 |
| venezuela | capital district | bothrops lanceolatus | species | 0 | 1 |
| venezuela | nueva esparta | crotalus durissus | species | 0 | 2 |
| venezuela | nueva esparta | crotalus durissus cumanensis | subspecies | 0 | 2 |
| venezuela | nueva esparta | crotalus durissus terrificus | subspecies | 0 | 2 |
| vietnam | | ovophis monticola | species | 2 | 0 |
| vietnam | | protobothrops cornutus | species | 4 | 0 |
| vietnam | | protobothrops mucrosquamatus | species | 7 | 0 |
| vietnam | | trimeresurus albolabris | species | 13 | 0 |
| vietnam | | trimeresurus gumprechti | species | 2 | 0 |
| vietnam | | trimeresurus macrops | species | 1 | 0 |
| vietnam | | trimeresurus rubeus | species | 8 | 0 |
| vietnam | | trimeresurus stejnegeri | species | 32 | 0 |
| vietnam | | trimeresurus vogeli | species | 2 | 0 |
| vietnam | cao bang province | ovophis tonkinensis | species | 4 | 0 |
| vietnam | cao bang province | protobothrops cornutus | species | 8 | 0 |
| vietnam | cao bang province | protobothrops mucrosquamatus | species | 8 | 0 |
| vietnam | cao bang province | protobothrops trungkhanhensis | species | 16 | 0 |
| vietnam | cao bang province | trimeresurus albolabris | species | 8 | 0 |
| vietnam | dong nai province | trimeresurus popeiorum | species | 3 | 0 |
| vietnam | gia lai province | ovophis monticola | species | 5 | 0 |
| vietnam | gia lai province | ovophis tonkinensis | species | 4 | 0 |
| vietnam | gia lai province | trimeresurus albolabris | species | 9 | 0 |
| vietnam | gia lai province | trimeresurus sp. 1 al-2012 | species | 5 | 0 |
| vietnam | gia lai province | trimeresurus stejnegeri | species | 9 | 0 |
| vietnam | hai duong province | protobothrops mucrosquamatus | species | 8 | 0 |
| vietnam | hai duong province | trimeresurus albolabris | species | 22 | 0 |
| vietnam | ho chi minh city | trimeresurus albolabris | species | 1 | 0 |
| vietnam | kon tum province | ovophis monticola | species | 8 | 0 |
| vietnam | kon tum province | trimeresurus albolabris | species | 6 | 0 |
| vietnam | kon tum province | trimeresurus stejnegeri | species | 6 | 0 |
| vietnam | lao cai province | ovophis monticola | species | 31 | 0 |
| vietnam | lao cai province | ovophis tonkinensis | species | 4 | 0 |
| vietnam | lao cai province | trimeresurus albolabris | species | 8 | 0 |
| vietnam | lao cai province | trimeresurus yunnanensis | species | 12 | 0 |
| vietnam | nghe an province | trimeresurus gumprechti | species | 4 | 0 |
| vietnam | nghe an province | trimeresurus stejnegeri | species | 6 | 0 |
| vietnam | nghe an province | trimeresurus yunnanensis | species | 2 | 0 |
| vietnam | quang binh province | protobothrops cornutus | species | 7 | 0 |
| vietnam | quang ninh province | trimeresurus albolabris | species | 6 | 0 |
| vietnam | vinh phuc province | ovophis tonkinensis | species | 8 | 0 |
| vietnam | vinh phuc province | protobothrops mucrosquamatus | species | 4 | 0 |
| vietnam | vinh phuc province | trimeresurus albolabris | species | 27 | 0 |
| vietnam | vinh phuc province | trimeresurus yunnanensis | species | 1 | 0 |