The Larch Mountain salamander (''Plethodon larselli'') is a species of

salamander Salamanders are a group of amphibians typically characterized by their lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults. All ten ...

in the family

Plethodontidae Plethodontidae, or lungless salamanders, are a family of salamanders. Most species are native to the Western Hemisphere, from British Columbia to Brazil, although a few species are found in Sardinia, Europe south of the Alps, and South Korea. In ...

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the United States. It occurs in the

Cascade Mountains The Cascade Range or Cascades is a major mountain range of western North America, extending from southern British Columbia through Washington and Oregon to Northern California. It includes both non-volcanic mountains, such as the North Cascades, ...

of southern

Washington Washington commonly refers to: * Washington (state), United States * Washington, D.C., the capital of the United States ** A metonym for the federal government of the United States ** Washington metropolitan area, the metropolitan area centered on ...

and northern

Oregon Oregon () is a U.S. state, state in the Pacific Northwest region of the Western United States. The Columbia River delineates much of Oregon's northern boundary with Washington (state), Washington, while the Snake River delineates much of it ...

. In Washington, it occurs from the

Columbia River Gorge The Columbia River Gorge is a canyon of the Columbia River in the Pacific Northwest of the United States. Up to deep, the canyon stretches for over as the river winds westward through the Cascade Range, forming the boundary between the sta ...

to just north of

Snoqualmie Pass Snoqualmie Pass is a mountain pass that carries Interstate 90 (I-90) through the Cascade Range in the U.S. state of Washington. The pass summit is at an elevation of , on the county line between Kittitas County and King County. Snoqualmie Pass ...

. Its natural

habitat In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical ...

s are temperate

forest A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' ...

s and rocky areas. It is threatened by

habitat loss Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby ...

Taxonomy

The Larch Mountain salamander was originally described as a species by D.M. Burns in 1962. Originally considered a subspecies of

Van Dyke's salamander Van Dyke's salamander (''Plethodon vandykei'') is a small woodland salamander in the family Plethodontidae, the lungless salamanders. These animals breathe through their skin and are largely terrestrial. Compared to other salamanders in ''Plethod ...

, the Larch Mountain salamander's closest genetic relative is the

Jemez Mountains salamander The Jemez Mountains salamander (''Plethodon neomexicanus'') is a species of salamander in the family Plethodontidae endemic to New Mexico in the United States. Its natural habitat is temperate forests. It is threatened by habitat loss, is in rap ...

, endemic to

New Mexico ) , population_demonym = New Mexican ( es, Neomexicano, Neomejicano, Nuevo Mexicano) , seat = Santa Fe , LargestCity = Albuquerque , LargestMetro = Tiguex , OfficialLang = None , Languages = English, Spanish ( New Mexican), Navajo, Ker ...

Description

The Larch Mountain salamander is a small, terrestrial salamander. The species is characterized by a variable dorsal stripe, typically orange, light brown, or yellow, which is often blotchy. The ground color is brown, with light speckling in certain areas. This species is easily distinguishable from other western

Plethodon ''Plethodon'' is a genus of salamanders in the family Plethodontidae. They are also known as woodland salamanders or, more rarely, slimy salamanders. All members of the genus are endemic to North America (Canada and USA). They have no aquatic lar ...

by its reddish-salmonish venter. Adults are typically just smaller than 2 inches in snout-to-vent length, with a mode of 15 costal grooves.AmphibiaWeb. 2018
"Larch Mountain salamander"
University of California, Berkeley, CA, USA. Accessed 31 Mar 2018.

References

Amphibians of the United States Plethodon Taxonomy articles created by Polbot Amphibians described in 1954 {{Plethodontidae-stub