TABLE 3.
Confusion among species that are uncontroversially delimited, showing only pairs with confusion >10% in TD1, TD2, or TD3 (by algorithm or humans). MIVS = medically important venomous snakes.
| Correct ID | Given ID | TD1 | TD2 | TD3 | Humans-all | Humans-45 | Humans-27 (with geo) | Geo-overlap | MIVS |
|---|---|---|---|---|---|---|---|---|---|
| Thamnophis elegans | Thamnophis sirtalis | 0.26 | 0.18 | 0.10 | 0.06 | 0.11 | Y | Neither | |
| Opheodrys vernalis | Opheodrys aestivus | 0.23 | 0.08 | 0.33 | 0.24 | 0.13 | 0.24 | Y | Neither |
| Thamnophis ordinoides | Thamnophis sirtalis | 0.19 | NA | NA | NA | Y | Neither | ||
| Crotalus scutulatus | Crotalus atrox | 0.13 | 0.22 | 0.14 | NA | Y | Both | ||
| Nerodia fasciata | Nerodia erythrogaster | 0.11 | 0.07 | 0.25 | 0.04 | 0.02 | 0.02 | Y | Neither |
| Nerodia erythrogaster | Nerodia sipedon | 0.10 | 0.19 | 0.10 | 0.15 | Y | Neither | ||
| Storeria occipitomaculata | Storeria dekayi | 0.10 | 0.18 | 0.22 | 0.12 | 0.06 | Y | Neither | |
| Nerodia sipedon | Nerodia erythrogaster | 0.17 | 0.02 | 0.01 | 0.02 | Y | Neither | ||
| Thamnophis sirtalis | Thamnophis radix | 0.15 | 0.10 | 0.05 | NA | Y | Neither | ||
| Pituophis catenifer | Lichanura trivirgata | 0.14 | 0.00 | 0.00 | NA | Y | Neither | ||
| Thamnophis sirtalis | Thamnophis elegans | 0.12 | 0.06 | 0.03 | 0.12 | Y | Neither | ||
| Opheodrys aestivus | Opheodrys vernalis | 0.11 | 0.19 | 0.10 | 0.24 | Y | Neither | ||
| Heterodon platirhinos | Nerodia erythrogaster | 0.25 | 0.01 | 0.00 | 0.00 | Y | Neither | ||
| Storeria occipitomaculata | Nerodia erythrogaster | 0.25 | 0.00 | 0.00 | 0.00 | Y | Neither | ||
| Charina bottae | Haldea striatula | 0.22 | 0.01 | 0.00 | 0.01 | N | Neither | ||
| Agkistrodon contortrix | Thamnophis elegans | 0.17 | 0.00 | 0.00 | 0.00 | N | False negative | ||
| Agkistrodon contortrix | Agkistrodon piscivorus | 0.14 | 0.04 | 0.02 | 0.11 | Y | Both | ||
| Pantherophis obsoletus | Agkistrodon piscivorus | 0.14 | 0.02 | 0.01 | <0.01 | Y | False negative | ||
| Haldea striatula | Diadophis punctatus | 0.14 | 0.16 | 0.10 | 0.02 | Y | Neither | ||
| Agkistrodon piscivorus | Heterodon platirhinos | 0.14 | <0.01 | 0.00 | 0.03 | Y | False negative | ||
| Storeria dekayi | Masticophis flagellum | 0.14 | 0.01 | 0.01 | 0.00 | Y | Neither | ||
| Heterodon platirhinos | Pantherophis obsoletus | 0.12 | 0.03 | 0.02 | <0.01 | Y | Neither | ||
| Storeria dekayi | Haldea striatula | 0.11 | 0.02 | 0.01 | 0.04 | Y | Neither | ||
| Crotalus horridus | Agkistrodon contortrix | 0.10 | 0.01 | 0.00 | <0.01 | Y | Both | ||
| Haldea striatula | Agkistrodon contortrix | 0.10 | 0.00 | 0.00 | 0.00 | Y | False positive | ||
| Crotalus scutulatus | Crotalus adamanteus | 0.10 | 0.04 | 0.03 | 0.01 | N | Both | ||
| Pantherophis guttatus | Crotalus horridus | 0.10 | 0.00 | 0.00 | <0.01 | Y | False positive | ||
| Pituophis catenifer | Crotalus horridus | 0.10 | 0.01 | 0.00 | <0.01 | Y (barely) | False negative | ||
| Agkistrodon piscivorus | Pituophis catenifer | 0.10 | 0.00 | 0.00 | <0.01 | Y (barely) | False negative | ||
| Masticophis flagellum | Pituophis catenifer | 0.10 | 0.01 | 0.00 | 0.02 | Y | Neither | ||
| Pantherophis guttatus | Pituophis catenifer | 0.10 | 0.00 | 0.00 | 0.01 | N | Neither | ||
| Thamnophis radix | Thamnophis sirtalis | 0.23 | Y | Neither | |||||
| Nerodia erythrogaster | Nerodia fasciata | 0.19 | 0.33 | Y | Neither | ||||
| Lampropeltis triangulum | Pantherophis guttatus | 0.17 | Y | Neither | |||||
| Nerodia erythrogaster | Agkistrodon piscivorus | 0.15 | Y | False positive | |||||
| Agkistrodon piscivorus | Agkistrodon contortrix | 0.13 | Y | Both | |||||
| Hierophis viridiflavus | Natrix natrix | 0.13 | Y | Neither | |||||
| Nerodia sipedon | Nerodia fasciata | 0.11 | 0.11 | Y | Neither | ||||
| Storeria dekayi | Storeria occipitomaculata | 0.19 | Y | Neither | |||||
| Nerodia fasciata | Nerodia sipedon | 0.15 | Y | Neither | |||||
| Pantherophis guttatus | Lampropeltis triangulum | 0.14 | Y | Neither | |||||
| Natrix natrix | Hierophis viridiflavus | 0.14 | Y | Neither | |||||
| Diadophis punctatus | Haldea striatula | 0.12 | Y | Neither | |||||
| Haldea striatula | Carphophis amoenus | 0.10 | Y | Neither |