Coeur d'Alène salamander
Plethodon idahoensis
This salamander has relatively long legs and short, slightly webbed toes. Overall colouration is black with a narrow greenish-yellow, orange or red uneven-edged dorsal stripe. This stripe usually breaks into patches on the head and the extreme tip of the tail. The throat is yellowish. There are 14 costal grooves and distinct parotoid glands.

Dusky salamander
Desmognathus fuscus
The hind legs of this species are larger and sturdier than the front legs. The tail is compressed and knife-edged on top. Adults are grey or brown with muddy markings. The markings stand out well in smaller individuals and may be difficult to detect in larger, older specimens. Juveniles have five to eight pairs of round spots down the back which are bordered by a dark wavy line. There is usually a light line running from the eye to the jaw.

Eastern redback salamander
Plethodon cinereus
This salamander has two distinct colour phases, redback and leadback. In redback individuals there is a straight-edged reddish stripe down the back from head to tail. The stripe is bordered by dark pigment that extends downward onto the sides. In leadback specimens the body is uniformly dark grey to black. Specimens of both colour phases has bellies that are mottled with black and white. Occasionally there are individuals that are entirely red. Costal grooves range from 17 to 22.

Ensatina
Ensatina eschscholtzii
This salamander has 12 to 13 costal grooves and the tail has a swollen appearance with a constriction at its base. Colouration is uniform yellowish to reddish brown with fine black speckling above and pale grey or whitish underparts. These salamanders are the most active during the spring and autumn when the ground is damp from rain or snow melt. They may remain immobile when discovered. However, when harassed they stand up on their legs, arch their back and tail and slap their tail towards the disturbance. The tail drips with a milky secretion that sometimes is propelled towards the enemy. They may also produce a hissing sound when disturbed.

Four-toed salamander
Hemidactylium scutatum
This salamander has only four toes on its hind feet instead of the usual five. The tail has a marked constriction at its base. Colouration varies from orange-brown to reddish-brown above with small patches of fine black spots on the back of the trunk. These spots extend down the sides of the head, tail and limbs. The belly is white, sprinkled with small black dots. There are 14 or 15 costal grooves.

Mountain dusky salamander
Desmognathus ochrophaeus
This species is similar to Desmognathus fuscus but it has a round tail. A light line runs from the eye to the angle of the jaw. Adults and juveniles have a straight-edged light stripe down the back and tail. The stripe may be yellow, orange, olive, gray, brown or reddish and is bordered by dark pigment that fades into mottles lower sides. Within the stripe there is a row of dark chevron-like spots. These become less apparent in older individuals as the central stripe becomes darker.

Northern two-lined salamander
Eurycea bislineata
This species has two dark lines bordering a broad light middorsal stripe. The back is yellow-brown flecked with black. The belly is yellowish. There are 15 to 16 costal grooves.

Spring salamander
Gyrinophilus porphyriticus
The bodies of adults are salmon coloured and are mottled with darker markings. Their bellies are flesh-coloured with tiny dark flecks. Older and larger specimens become darker. A white line runs from the eye to nostril and is bordered below by a black or dark brown line.

Wandering salamander
Aneides vagrans
This salamander is slender and long-legged. There are usually 16 costal grooves and the toe tips are squarish. Adults are black to brown with ashy yellow-grey mottling over the back and sides. They are sometimes speckled with bronze and a few whitish spots. The belly is grey. Juveniles are a deep chocolate brown colour with a brassy dorsal stripe. They gradually acquire the more subdued colour of the adults.

Western redback salamander
Plethodon vehiculum
The body of this species is slightly stouter and the limbs are stronger than the similar Eastern redback salamander. This species has an even-edged dorsal stripe that extends to the tip of the tail. The stripe is red, orange, yellow, olive or tan. It is sometimes completely obscured by dark pigment. The sides are dark and the belly is mottled in a salt and pepper effect. There are usually 16 costal grooves but they range between 14 to 18.