in Lichens by

Tag: Foliose lichen species | Structure of foliose lichen | What is the scientific name for foliose lichen? |  What is the shape of foliose lichen? | Where is foliose lichen found?

1 Answer

0 votes


  1. The thallus of foliose lichen is leaf-like, flat, broad and much lobed.
  2. Foliose lichen is found growing on trees and rocks.
  3. It has distinct upper and lower surfaces.
  4. The lower surface is white or sooty in colour.
  5. The thallus is attached to rocks and twigs by rhizoid-like outgrowths called rhizinae.
  6. The free ends of rhizinae often broaden to form disc-like structure which secrete mucilage.
  7. It may not be connected to the substrate at all points.
  8. Examples: Parmelia, Peltigera, Physcia etc.
Biology Questions and Answers for Grade 10, Grade 11 and Grade 12 students, Junior and Senior High Schools, Junior Colleges, Undergraduate biology programs and Medical Entrance exams.