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2003•Unpublished venueRequires access

A SURVEY OF LICHENS IN THE KANDY MUNICIPAL REGION

S. Gajameragedara, Sri Lanka

Open publisher page 9 citations

Abstract

Lichen flora found on bark of trees and on rocks in ten selected sites within the Kandy Municipal Region were studied. About 50 lichen species belonging to 18 families and 32 genera were recorded. Of them 33 (66%) were crustose lichens, 11 (22%) foliose , 4 (8%) placcodioid and the remaining 4% were fruticose and squamulose lichens. A high number of lichens were recorded in the National Botanic Gardens, Peradeniya and Walkerawatta forest stand. The most frequently encountered species of lichens in many of the sites within the Kandy Municipal Region were Pertusaria pertusa, Pyxine consocians, Lecanora sp1., Parmotrema tinctorum, Leptogium sp., Buellia sp1. and Chrysothrix candelaris. The presence of Pyxine consocians and Dirinaria consimilis in all the sites and the absence of fruticose lichens such as Usnea articulata and Cladonia sp. in any of the sites but recorded in the past may indicate environmental pollution in the area.

About this research paper

What this paper is about

Lichen flora found on bark of trees and on rocks in ten selected sites within the Kandy Municipal Region were studied. About 50 lichen species belonging to 18 families and 32 genera were recorded. Of them 33 (66%) were crustose lichens, 11 (22%) foliose , 4 (8%) placcodioid and the remaining 4% were fruticose and squamulose lichens. A high number of lichens were recorded in the National Botanic Gardens, Peradeniya and Walkerawatta forest stand. The most frequently encountered species of lichens in many of the sites within the Kandy Municipal Region were Pertusaria pertusa, Pyxine consocians, Lecanora sp1., Parmotrema tinctorum, Leptogium sp., Buellia sp1. and Chrysothrix candelaris. The presence of Pyxine consocians and Dirinaria consimilis in all the sites and the absence of fruticose lichens such as Usnea articulata and Cladonia sp. in any of the sites but recorded in the past may indicate environmental pollution in the area.

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Available abstract

Lichen flora found on bark of trees and on rocks in ten selected sites within the Kandy Municipal Region were studied. About 50 lichen species belonging to 18 families and 32 genera were recorded. Of them 33 (66%) were crustose lichens, 11 (22%) foliose , 4 (8%) placcodioid and the remaining 4% were fruticose and squamulose lichens. A high number of lichens were recorded in the National Botanic Gardens, Peradeniya and Walkerawatta forest stand. The most frequently encountered species of lichens in many of the sites within the Kandy Municipal Region were Pertusaria pertusa, Pyxine consocians, Lecanora sp1., Parmotrema tinctorum, Leptogium sp., Buellia sp1. and Chrysothrix candelaris. The presence of Pyxine consocians and Dirinaria consimilis in all the sites and the absence of fruticose lichens such as Usnea articulata and Cladonia sp. in any of the sites but recorded in the past may indicate environmental pollution in the area.

Key concepts: Lichen, Crustose, Botany, Flora (microbiology), Usnic acid, Geography, Biology, Genetics

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