Multiple choice

Which of the following sets represents fruticose lichens only?

  1. Usnea, Cladonia, Alectoria

  2. Lecanora, Haematomma, Cladonia

  3. Parmelia, Collema, Peltigera

  4. Alectoria, Lecanora, Parmelia

  5. Cladonia, Collema, Usnea
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A Correct answer
Explanation

Fruticose lichens are seen on the branches of trees hanging down. They are cylindrical, well-branched and pendent with hair-like outgrowths. They remain attached to the substratum by basal mucilagenous disc. Examples: Usnea, Cladonia and Alectoria.

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