Multiple choice

Certain species of lichens are used as a valuable source of food. Which of the following species is edible?

  1. Usnea

  2. Cetraria

  3. Chondrus

  4. Everina

  5. Gloeopeltis

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Cetraria islandica is an edible species. The edible lichens are harvested and dried for human consumption.