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Enumeration and New records of Lichens in Kodagu district- A Micro Hotspot in Western Ghats of Karnataka, India

Author Affiliations

  • 1 Department of studies in botany, Manasagangotri, University of Mysore, Mysore 570 006, Karnataka, INDIA
  • 2 Department of Plant Pathology, University of Georgia, Athens, Georgia GA 30602, USA

Int. Res. J. Environment Sci., Volume 4, Issue (12), Pages 17-25, December,22 (2015)

Abstract

The present work describes lichen diversity in Kodagu district, which is also known as micro hotspot situated in the Western Ghats of Karnataka, India. A total of 87 species belonging to 29 families under 50 genera was enumerated during the study. About 25 species of lichens are found to be new record to the lichen flora of Karnataka. Family Parmeliaceae and Physciaceae were dominated with 20 species under 5 genera and 15 species under 7 genera, respectively. Compared to other substratum most of the lichens recorded were corticolous (colonizing bark) with 78 species. Crustose and foliose growth form dominates with about 44% in all the regions. The highest diversity of lichens was enumerated in Nisargadhama [MDF] with 57 species, with highest Shannon- Simpson index of 3.75 and 0.02 respectively in which macrolichens were more dominated. Distribution of lichens in deciduous forest was more when compared to semi-evergreen and evergreen forests. The lichen rich diversity in a small, densely forested area indicates that much exploration regarding the enumeration of lichens is required.

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