Rough Green Snake

Scientific Name: Liochlorophis vernalis
Size: 22-32 inches (56-81 cm) in length
PA Status: Endangered Species

Habitat Type:
Moist habitat, waterways in woodlands, lake & river borders, moist meadows. Mostly found in trees or shrubs near water, and seldom seen on the ground.

Colorations:
Adults:

  • The dorsal is uniform light green.
  • The ventral is uniform cream, yellow, or yellowish green.
  • Suparlabials and chin areas are white to light yellow.

Juveniles:

  • Neonates are uniform grey to greyish green.

Characteristics:

  • Long, slender species
  • The head is moderately distinct from the body.
  • Slender neck
  • Large eyes
  • Keeled Scales
  • 2 rows of dorsal scales near the ventral are smooth.
  • Arboreal

Scale Counts:

  • 17 scale rows at midbody and anterior
  • 15 scale rows near the vent
  • 139-171 ventral scales
  • 105-161 subcaudals | 2 rows of subcaudals
  • 1 nasal scale
  • 1 loreal scale
  • 1 preocular scale
  • 2 postocular scales
  • 1+2 temporal scales
  • 7 supralabials
  • 8 infralabials
  • Anal plate is divided

Confused with:

  • Smooth Green Snake

Coloration/Pattern Photos:
Adults
Rough Green Snake - Adult - By: Brandon Curtis Rough Green Snake - By: Bob Hamilton Rough Green Snake - By: Charlie Eichelberger
Rough Green Snake - By: Charlie Eichelberger

Range Map:
Rough Green Snake Range Map

References:

  • Hulse, C. and McCoy C. J. and Ellen Censky ,1998. Amphibians and Reptiles of Pennsylvania and the Northeast. 306-309pp.
  • Ernst, Carl H. and Ernst, Evelyn M. ,2003. Snakes of the United States and Canada. 258-263pp.

Photo Credits:

  • Brandon Curtis
  • Bob Hamilton
  • Charlie Eichelberger