Lichens sturcture, classification and reproduction

SHORT NOTES FOR UG

1. Dr. V. RAMESH
Assistant Professor & Head
Department of Botany
Vivekananda College
Tiruvedakam West –625 234
[email protected]
LICHENS-STRUCTURE, CLASSIFICATION &
REPRODUCTION

8. Tericolous Folicolous Plasticolous Metalicolous

10. Association of Mycobionts and Phycobionts

Mycobionts are
Ascomycetes
Basidiomycetes

Phycobionts are
Trebouxia
Pseudotrebouxia
Trentepohlia

Cyanobacteria are
Nostoe
Anaboena

Blue green and Green A

Association of Third and Fourth Partners
1) Gam's positive, diplobacills.

Bacteria Se

Gram's Negative B à 2) Gram's positive, rod.

Gram's Positive Bacteria 3) Grams negative, bacilos chains.

4) Gram's positive, 0000.

Actinomycetes 5) Gam's negative, diplobacillus.

afoeaxpon, Te
Bardiomjetes «ng, Com. Corella, inandiotilont,
Crean olas mie Common in chant” 237 で eeu sa し
Blue ren. algae - estos, Soma 06256 .

Komielx - e, Parmela, wem

14. Leprose (Powdery) Squamulose

Powdery Masses with Little or No
Organized Structure

Wolf Lichen

Similar to Crustose, but with Raised Edges which can be Folded or Lobe-Like.

New species recorded in India

It is poisonous among lichen kingdom Pyxine yercaudensis

It was mixed with meat and used to kill wolves. ‘Two new species of saxicolous Pyxine with
from southern India. The Lichenologist 45 (

‘The lichen contains vulpinic acid and is toxic substances

Ponmurugan et al.,