NEWS: Researchers discovered a new lichen species, Buellia maharajensis, in Mathikettan Shola National Park, Keralaà It is the fourth lichen species reported from the national park.

About Buellia maharajensis

• Type → New species of lichen.
• Habitat → It is saxicolous, meaning it grows directly on rock surfaces.
• Location → Mathikettan Shola National Park, Kerala.

What is a Lichen?

• Lichen → A symbiotic association between a fungus + photosynthetic organism such as an alga or cyanobacterium.
• Photosynthetic partner → Produces carbohydrates through photosynthesis + provides vitamins.
• Fungus → Absorbs water + provides protection and shade to the photosynthetic partner.
• Thallus → Main body of the lichen.
• Rhizines → Hair-like structures that anchor the lichen to its substrate.

Habitat & Distribution

• Lichens occur worldwide and can survive in diverse environmental conditions.
• They commonly grow on tree bark, exposed rocks and biological soil crusts.