Which of the following is a piopcer in a lithosere?
Correct answer: B. Lecanora
- A. Hypnuma
- B. Lecanora
- C. Parmelia
- D. Barbula
Explanation
Lecanora is a crustose lichen and a typical pioneer of a lithosere, colonising bare rock and beginning soil formation. Parmelia and the mosses Hypnum and Barbula generally occur after this initial lichen stage.
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