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Which of the following 'lichen' is eaten by Japanese people as vegetable?
1. Cladonia rangiferina
2. Endocarpon
3. Hypogymnia
4. Roccella

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Correct Answer - Option 2 : Endocarpon

The Correct Answer is Endocarpon.

  • Endocarpon 'lichen' is eaten by Japanese people as a vegetable.
  • Lichen is a classic mutualistic organism and the lichenization is one of the fungal symbioses. 
  • The lichen-forming fungus Endocarpon pusillum is living in symbiosis with the green alga Diplosphaera chodatii Bialsuknia as a lichen in the arid regions. 

  • Cladonia rangiferina
    • It is also known as reindeer lichen or grey reindeer lichen, is a light-colored, fruticose species of lichen, belonging to the family Cladoniaceae.
  • Hypogymnia physodes
    • It is commonly known as the monk's-hood lichen, is a species of foliose lichen in the family Parmeliaceae.
  • Roccella
    • It is a genus of 23 species of lichens in the family Roccellaceae.
    • The genus was circumscribed by Swiss botanist Augustin Pyramus de Candolle in 1805, with Roccella fuciformis as the type species. 

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