Cetraria islandica

cetraria islandica crispiformis 1 graphic
Cetraria islandica subsp. crispiformis 1
On mossy soil. From Southeast Alaska.

Cetraria islandica subsp. crispiformis 2
On mossy soil. From Mt. Washington, New Hampshire.

Cetraria islandica subsp. islandica 1
On mossy soil. From Southeast Alaska.

Cetraria islandica subsp. islandica 2
On mossy soil. From Southeast Alaska.

Cetraria islandica subsp. islandica 3
On mossy soil. From interior Alaska.

Cetraria islandica subsp. islandica 4
On mossy soil & rock. From interior Alaska.

Cetraria islandica subsp. islandica 5
On mossy soil. From Southeast Alaska.

Cetraria islandica subsp. islandica 6
(wet)
On soil. From Great Wass Island, Maine.

Cetraria islandica subsp. islandica 7
On soil. From the North Shore of Lake Superior, Ontario.

Cetraria islandica subsp. islandica 8
On soil. From the North Shore of Lake Superior, Ontario.

Cetraria islandica subsp. islandica 9
On soil. From along the Denali Highway, interior Alaska.

Cetraria islandica subsp. islandica 10
On mossy soil. From along the Denali Highway, interior Alaska.

Cetraria islandica subsp. islandica 11
On mossy soil. From along the Denali Highway, interior Alaska.

Cetraria islandica subsp. islandica 12
On mossy soil. From Eagle Summit, northeast of Fairbanks, interior Alaska.

Cetraria islandica subsp. islandica 13
On mossy soil. From near White Pass north of Skagway, Alaska.

Cetraria islandica subsp. islandica 14
On (and in) moss. From Rocky Mountain National Park, Colorado.

Cetraria islandica (no subspecies designation)
On mossy soil. From near Portage, southeast Alaska.

Cetraria islandica group
On soil. From Olympic National Park, Washington.

Cetraria islandica sensu lato
On moss campion? From the Rocky Mountains, Colorado.