| brazil | | ambystoma mexicanum | species | 1 | 0 |
| canada | | ambystoma laterale | species | 25 | 0 |
| canada | | ambystoma maculatum | species | 23 | 0 |
| canada | british columbia | ambystoma macrodactylum | species | 1 | 0 |
| canada | manitoba | ambystoma tigrinum | species | 5 | 0 |
| canada | nova scotia | ambystoma maculatum | species | 0 | 1 |
| canada | ontario | ambystoma jeffersonianum | species | 1 | 0 |
| canada | ontario | ambystoma laterale | species | 2 | 1 |
| canada | ontario | ambystoma laterale x ambystoma jeffersonianum | species | 9 | 0 |
| canada | ontario | ambystoma maculatum | species | 1 | 0 |
| canada | ontario | ambystoma texanum | species | 4 | 0 |
| canada | ontario | ambystoma unisexual lineage lj | no rank | 1 | 0 |
| canada | ontario | ambystoma unisexual lineage ljj | no rank | 4 | 0 |
| canada | ontario | ambystoma unisexual lineage llj | no rank | 2 | 0 |
| canada | ontario | ambystoma unisexual lineage llt | no rank | 3 | 0 |
| canada | ontario | ambystoma unisexual lineage lt | no rank | 6 | 0 |
| canada | ontario | ambystoma unisexual lineage ltt | no rank | 1 | 0 |
| canada | quebec | ambystoma laterale | species | 1 | 0 |
| canada | quebec | ambystoma unisexual lineage lllj | no rank | 1 | 0 |
| canada | saskatchewan | ambystoma tigrinum | species | 0 | 1 |
| canada | saskatchewan | ambystoma tigrinum diaboli | subspecies | 0 | 1 |
| mexico | | ambystoma mexicanum | species | 25 | 0 |
| mexico | | ambystoma ordinarium | species | 253 | 0 |
| mexico | | ambystoma sp. gp-2007 | species | 9 | 0 |
| mexico | | ambystoma velasci | species | 28 | 0 |
| mexico | durango | ambystoma rosaceum | species | 33 | 0 |
| mexico | federal district | ambystoma mexicanum | species | 0 | 2 |
| mexico | jalisco | ambystoma flavipiperatum | species | 39 | 0 |
| mexico | mexico | ambystoma altimirani | species | 1 | 0 |
| mexico | mexico | ambystoma granulosum | species | 14 | 0 |
| mexico | mexico | ambystoma lermaense | species | 14 | 0 |
| mexico | michoacan ocampo | ambystoma amblycephalum | species | 13 | 0 |
| mexico | michoacan ocampo | ambystoma andersoni | species | 5 | 0 |
| mexico | michoacan ocampo | ambystoma dumerilii | species | 70 | 0 |
| mexico | michoacan ocampo | ambystoma ordinarium | species | 3325 | 0 |
| mexico | michoacan ocampo | ambystoma rivulare | species | 199 | 0 |
| mexico | morelos | ambystoma altimirani | species | 101 | 0 |
| mexico | puebla | ambystoma taylori | species | 24 | 0 |
| sweden | uppsala | ambystoma mexicanum | species | 0 | 1 |
| united states | | ambystoma annulatum | species | 25 | 0 |
| united states | | ambystoma barbouri | species | 25 | 0 |
| united states | | ambystoma bishopi | species | 46 | 0 |
| united states | | ambystoma californiense | species | 58 | 0 |
| united states | | ambystoma cingulatum | species | 44 | 0 |
| united states | | ambystoma gracile | species | 46 | 0 |
| united states | | ambystoma jeffersonianum | species | 26 | 0 |
| united states | | ambystoma laterale | species | 50 | 0 |
| united states | | ambystoma mabeei | species | 25 | 0 |
| united states | | ambystoma macrodactylum | species | 69 | 0 |
| united states | | ambystoma maculatum | species | 48 | 0 |
| united states | | ambystoma mexicanum | species | 1 | 0 |
| united states | | ambystoma opacum | species | 25 | 0 |
| united states | | ambystoma talpoideum | species | 48 | 0 |
| united states | | ambystoma texanum | species | 50 | 0 |
| united states | | ambystoma tigrinum | species | 102 | 0 |
| united states | alabama | ambystoma tigrinum tigrinum | subspecies | 1 | 0 |
| united states | arizona | ambystoma mexicanum | species | 0 | 1 |
| united states | arizona | ambystoma tigrinum | species | 18 | 5 |
| united states | arizona | ambystoma tigrinum nebulosum | subspecies | 0 | 2 |
| united states | arizona | ambystoma tigrinum stebbinsi | subspecies | 0 | 1 |
| united states | arkansas | ambystoma maculatum | species | 0 | 3 |
| united states | arkansas | ambystoma opacum | species | 0 | 2 |
| united states | arkansas | ambystoma talpoideum | species | 0 | 1 |
| united states | california | ambystoma californiense | species | 5 | 12 |
| united states | california | ambystoma tigrinum | species | 648 | 13 |
| united states | california | ambystoma tigrinum mavortium | subspecies | 0 | 5 |
| united states | colorado | ambystoma mexicanum | species | 0 | 1 |
| united states | colorado | ambystoma tigrinum | species | 16 | 4 |
| united states | connecticut | ambystoma unisexual lineage lj | no rank | 11 | 0 |
| united states | connecticut | ambystoma unisexual lineage ljj | no rank | 2 | 0 |
| united states | connecticut | ambystoma unisexual lineage ljjj | no rank | 1 | 0 |
| united states | florida | ambystoma cingulatum | species | 5 | 0 |
| united states | florida | ambystoma tigrinum | species | 2 | 0 |
| united states | florida | ambystoma tigrinum tigrinum | subspecies | 7 | 0 |
| united states | georgia | ambystoma tigrinum | species | 2 | 0 |
| united states | georgia | ambystoma tigrinum tigrinum | subspecies | 12 | 0 |
| united states | idaho | ambystoma macrodactylum | species | 0 | 3 |
| united states | idaho | ambystoma tigrinum | species | 10 | 0 |
| united states | illinois | ambystoma opacum | species | 0 | 1 |
| united states | illinois | ambystoma tigrinum | species | 2 | 0 |
| united states | indiana | ambystoma mexicanum | species | 0 | 1 |
| united states | indiana | ambystoma tigrinum | species | 2 | 2 |
| united states | indiana | ambystoma tigrinum tigrinum | subspecies | 0 | 1 |
| united states | indiana | ambystoma unisexual lineage ljj | no rank | 2 | 0 |
| united states | indiana | ambystoma unisexual lineage llj | no rank | 1 | 0 |
| united states | indiana | ambystoma unisexual lineage ltjti | no rank | 1 | 0 |
| united states | iowa | ambystoma mexicanum | species | 1 | 0 |
| united states | iowa | ambystoma tigrinum | species | 6 | 0 |
| united states | kansas | ambystoma texanum | species | 5 | 0 |
| united states | kansas | ambystoma tigrinum | species | 6 | 0 |
| united states | kentucky | ambystoma barbouri | species | 8 | 1 |
| united states | kentucky | ambystoma jeffersonianum | species | 1 | 0 |
| united states | kentucky | ambystoma maculatum | species | 1 | 0 |
| united states | kentucky | ambystoma opacum | species | 1 | 0 |
| united states | kentucky | ambystoma texanum | species | 1 | 0 |
| united states | kentucky | ambystoma tigrinum | species | 4 | 0 |
| united states | kentucky | ambystoma unisexual lineage ljjj | no rank | 2 | 0 |
| united states | louisiana | ambystoma maculatum | species | 0 | 1 |
| united states | louisiana | ambystoma opacum | species | 0 | 1 |
| united states | louisiana | ambystoma talpoideum | species | 0 | 1 |
| united states | maine | ambystoma maculatum | species | 0 | 2 |
| united states | maine | ambystoma tigrinum | species | 0 | 1 |
| united states | maine | ambystoma tigrinum diaboli | subspecies | 0 | 1 |
| united states | maine | ambystoma unisexual lineage llj | no rank | 2 | 0 |
| united states | massachusetts | ambystoma jeffersonianum | species | 1 | 0 |
| united states | massachusetts | ambystoma laterale | species | 1 | 0 |
| united states | massachusetts | ambystoma maculatum | species | 7 | 1 |
| united states | massachusetts | ambystoma opacum | species | 0 | 2 |
| united states | massachusetts | ambystoma 'unisexual hybrid' | no rank | 1 | 0 |
| united states | michigan | ambystoma tigrinum | species | 2 | 0 |
| united states | michigan | ambystoma unisexual lineage llj | no rank | 1 | 0 |
| united states | michigan | ambystoma unisexual lineage llt | no rank | 1 | 0 |
| united states | michigan | ambystoma unisexual lineage lt | no rank | 1 | 0 |
| united states | michigan | ambystoma unisexual lineage ltti | no rank | 1 | 0 |
| united states | minnesota | ambystoma tigrinum | species | 6 | 0 |
| united states | missouri | ambystoma annulatum | species | 3 | 1 |
| united states | missouri | ambystoma maculatum | species | 0 | 1 |
| united states | missouri | ambystoma tigrinum | species | 4 | 0 |
| united states | montana | ambystoma macrodactylum | species | 0 | 3 |
| united states | montana | ambystoma tigrinum | species | 16 | 1 |
| united states | montana | ambystoma tigrinum melanostictum | subspecies | 0 | 1 |
| united states | nebraska | ambystoma tigrinum | species | 14 | 1 |
| united states | nebraska | ambystoma tigrinum mavortium | subspecies | 0 | 1 |
| united states | nevada | ambystoma macrodactylum | species | 0 | 1 |
| united states | nevada | ambystoma tigrinum | species | 8 | 0 |
| united states | new jersey | ambystoma laterale | species | 1 | 0 |
| united states | new jersey | ambystoma tigrinum tigrinum | subspecies | 2 | 0 |
| united states | new jersey | ambystoma unisexual lineage lj | no rank | 1 | 0 |
| united states | new jersey | ambystoma unisexual lineage ljj | no rank | 2 | 0 |
| united states | new jersey | ambystoma unisexual lineage lllj | no rank | 1 | 0 |
| united states | new mexico | ambystoma tigrinum | species | 34 | 3 |
| united states | new mexico | ambystoma tigrinum mavortium | subspecies | 0 | 1 |
| united states | new york | ambystoma jeffersonianum | species | 1 | 0 |
| united states | new york | ambystoma maculatum | species | 0 | 1 |
| united states | new york | ambystoma tigrinum tigrinum | subspecies | 3 | 0 |
| united states | new york | ambystoma unisexual lineage lj | no rank | 3 | 0 |
| united states | new york | ambystoma unisexual lineage ljj | no rank | 3 | 0 |
| united states | new york | ambystoma unisexual lineage llj | no rank | 1 | 0 |
| united states | new york | ambystoma unisexual lineage lllj | no rank | 1 | 0 |
| united states | north carolina | ambystoma mabeei | species | 1 | 0 |
| united states | north carolina | ambystoma tigrinum | species | 2 | 0 |
| united states | north carolina | ambystoma tigrinum tigrinum | subspecies | 7 | 0 |
| united states | north dakota | ambystoma tigrinum | species | 10 | 1 |
| united states | north dakota | ambystoma tigrinum diaboli | subspecies | 0 | 1 |
| united states | ohio | ambystoma barbouri | species | 2 | 1 |
| united states | ohio | ambystoma jeffersonianum | species | 1 | 0 |
| united states | ohio | ambystoma maculatum | species | 0 | 1 |
| united states | ohio | ambystoma talpoideum | species | 0 | 1 |
| united states | ohio | ambystoma texanum | species | 5 | 0 |
| united states | ohio | ambystoma tigrinum | species | 3 | 0 |
| united states | ohio | ambystoma 'unisexual hybrid complex' | species | 0 | 1 |
| united states | ohio | ambystoma unisexual lineage ltj | no rank | 1 | 0 |
| united states | ohio | ambystoma unisexual lineage ltjti | no rank | 1 | 0 |
| united states | ohio | ambystoma unisexual lineage ltt | no rank | 3 | 0 |
| united states | ohio | ambystoma unisexual lineage ltti | no rank | 3 | 0 |
| united states | oklahoma | ambystoma annulatum | species | 2 | 0 |
| united states | oklahoma | ambystoma maculatum | species | 6 | 1 |
| united states | oklahoma | ambystoma opacum | species | 2 | 1 |
| united states | oklahoma | ambystoma talpoideum | species | 0 | 1 |
| united states | oklahoma | ambystoma texanum | species | 1 | 0 |
| united states | oklahoma | ambystoma tigrinum | species | 12 | 0 |
| united states | oregon | ambystoma macrodactylum macrodactylum | subspecies | 4 | 0 |
| united states | oregon | ambystoma tigrinum | species | 30 | 0 |
| united states | pennsylvania | ambystoma maculatum | species | 1 | 0 |
| united states | pennsylvania | ambystoma unisexual lineage llj | no rank | 6 | 0 |
| united states | south carolina | ambystoma opacum | species | 5 | 0 |
| united states | south carolina | ambystoma talpoideum | species | 4 | 0 |
| united states | south carolina | ambystoma tigrinum | species | 2 | 1 |
| united states | south carolina | ambystoma tigrinum tigrinum | subspecies | 6 | 0 |
| united states | south dakota | ambystoma tigrinum | species | 12 | 0 |
| united states | tennessee | ambystoma tigrinum | species | 2 | 0 |
| united states | tennessee | ambystoma tigrinum tigrinum | subspecies | 1 | 0 |
| united states | texas | ambystoma maculatum | species | 0 | 1 |
| united states | texas | ambystoma opacum | species | 0 | 2 |
| united states | texas | ambystoma talpoideum | species | 0 | 1 |
| united states | texas | ambystoma tigrinum | species | 10 | 2 |
| united states | texas | ambystoma tigrinum mavortium | subspecies | 42 | 2 |
| united states | utah | ambystoma tigrinum | species | 28 | 1 |
| united states | utah | ambystoma tigrinum diaboli | subspecies | 0 | 1 |
| united states | vermont | ambystoma unisexual lineage llj | no rank | 2 | 0 |
| united states | virginia | ambystoma maculatum | species | 0 | 1 |
| united states | virginia | ambystoma tigrinum | species | 0 | 1 |
| united states | virginia | ambystoma tigrinum tigrinum | subspecies | 15 | 1 |
| united states | washington | ambystoma tigrinum | species | 14 | 1 |
| united states | washington | ambystoma tigrinum melanostictum | subspecies | 0 | 1 |
| united states | wisconsin | ambystoma laterale | species | 0 | 2 |
| united states | wisconsin | ambystoma tigrinum | species | 2 | 0 |
| united states | wyoming | ambystoma tigrinum | species | 26 | 2 |
| united states | wyoming | ambystoma tigrinum melanostictum | subspecies | 0 | 1 |