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Summary
DescriptionDiadophis punctatus map.svg
Français : Carte de répartition des sous-espèces de la Couleuvre à collier (Diadophis punctatus).
D. p. acricus
D. p. amabilis
D. p. arnyi
D. p. dugesii
D. p. edwardsii
D. p. modestus
D. p. occidentalis
D. p. pulchellus
D. p. punctatus
D. p. regalis
D. p. similis
D. p. stictogenys
D. p. vandenburgii
Zones mixtes
English: Range map of subspecies of Ring-necked snake (Diadophis punctatus).
D. p. acricus (Key ring-necked snake)
D. p. amabilis (Pacific ring-necked snake)
D. p. arnyi (prairie ring-necked snake)
D. p. dugesii (Dugès' ring-necked snake)
D. p. edwardsii (northern ring-necked snake)
D. p. modestus (San Bernardino ring-necked snake)
D. p. occidentalis (northwestern ring-necked snake)
D. p. pulchellus (coralbelly ring-necked snake)
D. p. punctatus (southern ring-necked snake)
D. p. regalis (regal ring-necked snake)
D. p. similis (San Diego ring-necked snake)
D. p. stictogenys (Mississippi ring-necked snake)
D. p. vandenburgii (Monterey ring-necked snake)
Intergrade zones
Date
Source
Peterson Field Guide to Reptiles and Amphibians of Eastern and Central North America, Fourth Edition. 2016. Robert Powell, Roger Conant, Joseph T. Collins. Houghton Mifflin Harcourt, ISBN:978-0544129979
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