Nayaka Sanjeeva

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Dr. Sanjeeva Nayaka

Principal Scientist, Lichenology Laboratory

CSIR-National Botanical Research Institute, Rana Pratap Marg, Lucknow-226001, U.P.

Publication list year-wise

Year 2000

1. Upreti, D.K. and Nayaka, S. 2000. Lichenology in India (1996-2000). British Lichen Society Bulletin. No. 87: 66-67.

2. Upreti, D.K. and Nayaka, S. 2000. An enumeration of lichens from Himachal Pradesh (H.P), India. In D.K. Chauhan (ed), Prof. D.D. Nautiyal Commemoration volume, Recent trends in Botanical Research. Dept. of Botany, Allahabad University, Allahabad, India. Pp. 15-31.

Year 2001

3. Upreti, D.K., Nayaka, S. and Divakar, P.K. 2001. Rimelia reticulata in bird nesting. British Lichen Society Bulletin 89: 29-30.

4. Nayaka, S. and Upreti, D.K. and Divakar, P.K. 2001. Distribution and diversity of lichen in Meghamalai Wildlife Sanctuary, Kambam district, Tamil Nadu, India. Biological Memoirs 27(1): 51-58.

5. Nayaka, S. and Yadav, V. 2001. A Preliminary survey of lichens from Sirmaur district, Himachal Pradesh, India. In Challenges in Plant Taxonomy in 21^st Century for Utilisation and Conservation of Plant Diversity, Association of Plant Taxonomist, BSI, Dehradun, February 20. 2001. (Abstract)

Year 2002

6. Upreti, D.K., Nayaka, S. and Yadava, V. 2002. An enumeration and new records of lichens from Sirmaur District, Himachal Pradesh, India. Phytotaxonomy 2: 49-63.

7. Nayaka, S., Yadav, V., Srivastava, R. and Upreti, D.K. 2002. An enumeration and new records of lichen from Solan district, Himachal Pradesh, India. Biological memoirs 28(1): 25-33.

8. Nayaka, S. and Upreti, D.K. 2002. Lichens flora of Sharavati River Basin, Shimoga district, Karnataka, India, with six new records. J. Econ. Taxon. Bot. 26(3): 627-648.

9. Upreti, D.K., Yadav, V and Nayaka, S. A note on lichens from environs of Lucknow district, U.P. India. In Proc. 89^th Indian Science Congress. Lucknow 9: 100. 2002. (Abstract)

10. Upreti, D.K, Nayaka, S. and Divakar, P. Distribution of epiphytic lichens from Jim Corbet National Park. In Proc. 89^th Indian Science Congress. Lucknow 9: 92. 2002. (Abstract)

11. Nayaka, S. and Upreti, D.K. Diversity and distribution of lichen in semi-evergreen and deciduous forests of Sharavathi River Basin, Shimoga district, Karnataka, India. In Proc. 89^th Indian Science Congress. Lucknow. 9: 90. 2002. (Abstract)

12. Nayaka, S., Upreti, D.K. and Saxena, S. Muscicolous lichen of Indian subcontinent. In World conference of Bryology. p 79. Jan 23-30, 2002. NBRI, Lucknow, India. (Abstract)

13. Nayaka, S., Upreti, D.K. and Tandon, J. Scope for cryptogamic studies in sacred groves: A case study of lichens from Maharashtra. In National Seminar on Taxonomy study and conservation of plant diversity, a national priority. Association for Plant Taxonomy, National Botanical Research Institute, Lucknow, 5 – 6^th Oct. 2002. (Abstract)

14. Nayaka, S., Upreti, D.K. and Subramanian, K.A. 2002. Diversity and conservation of Lichen flora of Sharavathi River Basin, Shimoga District, Karnataka, India. Report submitted as part of Cumulative Impact Assessment Studies in the Sharavathi River Basin. A Karnataka Power Corporation Limited Project. Report submitted to Energy Research Group. Centre for Ecological Sciences, Indian Institute of Science, Bangalore. (Technical Report)

Year 2003

15. Upreti, D.K., Divakar, P.K. and Nayaka, S. 2003. Notes on species of the lichen genus Phyllopsora in India. Bibliotheca Lichenologica 86: 185-191.

16. Upreti, D.K., Nayaka, S. and Yadav, V. 2003. Notes on some leprose and sterile crustose lichens of India. Phytotaxonomy 3: 75-78.

17. Nayaka, S., Upreti, D.K., Gadgil, M. and Pandey, V. 2003. Distribution pattern and heavy metal accumulation in lichens of Bangalore City with special reference to Lalbagh garden. Current Science 84(5): 64-68.

18. Upreti, D.K. and Nayaka, S. 2003. Review of Lichenology in India during 2001-03. British Lichen Society Bulletin 93: 37-39.

19. Nayaka, S. and Upreti, D.K. The status of lichen genus Lecanora Ach. in India. In 26^th Conference of Indian Botanical Society, Jamia Hamdard University. 29-31^st Dec. 2003. New Delhi. India. (Abstract)

20. Upreti, D.K. and Nayaka, S. Lichenological activities in Queen Maud Land Area, East Antarctica. In Research Programmes of Indian Antarctic Expeditions: Retrospect & prospects. 18-19^th July 2003. National Centre for Antarctic and Ocean Research (NCAOR), Goa. (Abstract)

21. Srivastava, R., Yadav, V., Nayaka, S. & Upreti, D.K. Distribution of macrolichens in some forest areas of Chamba district, Himachal Pradesh, India. In Proc. 90^th Indian Science Congress. Bangalore 14: 24. 2003. (Abstract)

Year 2004

22. Nayaka, S. and Upreti, D.K. 2004. Scope for cryptogamic studies in Sacred Groves – A case study of lichens from Maharashtra. J. Econ. Taxon. Bot. 28(1): 209-212.

23. Srivastava, R., Yadav, V., Upreti, D.K. and Nayaka, S. 2004. An enumeration of lichens from Shimla district, Himachal Pradesh. Geophytology 33 (1-2): 29-34.

24. Phatak, S., Nayaka, S., Upreti, D.K., Singh, S.M. and Samuel, C. 2004. Preliminary observation on lichen flora of Cotigao Wildlife Sanctuary, Goa, India. Phytotaxonomy 4: 104-106.

25. Nayaka, S., Upreti, D.K., Phatak, S. and Samuel, C. 2004. Lichens of Bondla and Bhagwan Mahavir Wildlife Sanctuaries, Goa. Biological Memoirs 30(2): 115-119.

26. Upreti, D.K. and Nayaka, S. 2004. A field Guide to the common Lichens of Corbett Tiger Reserve. pp. 1-41. Bishen Singh Mabedra Pal Singh, Dehra Dun.

27. Satya, Upreti, D.K. and Nayaka. S. Diversity of lichen in and around Amarkantak Hills, Shadol District, Madhya Pradesh. In National Seminar on Recent Emerging Trends in Plant Science” held at Department of Botany, D.A-V college, Kanpur, during 11-12^th December 2004. (Abstract)

28. Upreti, D.K., Nayaka, S. and Joshi, Y. Activity over rock shelters of Bhimbetka world heritage zone. In 10^th Congress of The International Federation of Rock Art Organization (IFRAO), held at Agra, During 28^th Nov. 2^nd Dec. 2004. (Abstract)

29. Nayaka, S. and Upreti, D.K. Lichen diversity in Schirmacher Oasis and neighbouring nunataks of East Antarctica. In National Seminar on Recent Advances in Mycology. Department of Biosciences, Mangalore University, Mangalagangothri, Mangalore, during 2^nd & 3^rd December 2004. (Abstract)

30. Upreti, D.K., Nayaka, S. and Pandey, V. Lichenological investigation in Schirmacher Oasis, East Antarctica. In Indian Antarctic Research : Status Review. National Centre for Antarctic and Ocean Research, Vasco da Gama, Goa and presented a, during 27^th – 29^th Oct. 2004. (Abstract)

Year 2005

31. Upreti, D.K., Nayaka, S. and Bajpai, A. 2005. Do lichens still grow in Kolkata City? Current Science 88(3): 338-339.

32. Nayaka, S., Singh, P.K. and Upreti, D.K. 2005. Fungicidal elements accumulated in Cryptothecia punctulata (Ascomyecetes lichens) of an arecanut orchard in South India. J. Environ. Biol. 26(2): 299-300.

33. Upreti, D.K., Nayaka, S. and Satya. 2005. Enumeration of lichens from Madhya Pradesh and Chattisgarh, India. Journal of Applied Biosciences 31(1): 55-63.

34. Upreti, D.K., Divakar, P.K. and Nayaka, S. 2005. Notes on some Indian Pannaraceous lichens. Nova Hedwigia 81(1-2): 97-114.

35. Satya, Upreti, D.K. and Nayaka, S. 2005. Shorea robusta – an excellent host tree for lichen growth in India. Current Science 89(4): 594-595.

36. Upreti, D.K., Divakar, P.K. and Nayaka, S. 2005. Commercial and ethnic use of lichens in India. Economic Botany 59(3): 269-273.

37. Nayaka, S. and Upreti, D.K. 2005. Schirmacher Oasis, East Antarctica, a lichenologically interesting region. Current Science 89(7): 1069-1071.

38. Nayaka, S., Upreti, D.K., Pandey, V. and Pant, V. 2005. Manganese (Mn) in lichens growing on magnasite rocks in India. British Lichen Society Bulletin 97: 66-68.

39. Nayaka, S. and Upreti, D.K. 2005. Status of Lichen Diversity in Western Ghats, India. Sahyadri E-News, Western Ghats Biodiverstity Information System - Issue XVI: http://wgbis.ces.iisc.ernet.in/biodiversity/newsletter/issue16/main_index.htm

40. Nayaka, S. 2005. Studying Lichens. Sahyadri E-News, Western Ghats Biodiverstity Information System - Issue XVI: http://wgbis.ces.iisc.ernet.in/biodiversity/bio_iden/lichens.htm

41. Shukla, V., Nayaka, S. and Upreti, D.K. 2005. Enumeration of Lichens in Khirsu Forest Park, Pauri Garhwal. Phytotaxonomy 5: 32-34.

42. Satya, Nayaka, S., Upreti, D.K. and Hussain, T. 2005. Notes on some macro-fungi in proposed Achanakmar Amarkantak Biosphere Reserve, Madhya Pradesh and Chhattisgarh. Phytotaxonomy 5: 96-99.

43. Upreti, D.K. and Nayaka, S. Scope for lichenological studies in India. In National Symposium on Plant Science Research in India : Challenges and Prospects. Botanical Survey of India, Dehradun, during 24^th – 26^th Oct. 2005. (Abstract)

44. Nayaka, S. and Upreti, D.K. Lichen flora of Pune City (India) with reference to air pollution. In Third International Conference on Plants and Environmental Pollution. International Society of Environmental Botanists and National Botanical Research Institute Lucknow, India, during 28^th Nov – 2^nd Dec. 2005. (Abstract)

45. Satya, Upreti, D.K. and Nayaka, S. Lichen communities of Amarkantak Hills, Madhya Pradesh and their use in biomonitoring studies in the area. In Third International Conference on Plants and Environmental Pollution. International Society of Environmental Botanists and National Botanical Research Institute Lucknow, India, during 28^th Nov – 2^nd Dec. 2005. (Abstract)

46. Shukla, V., Upreti, D.K. and Nayaka, S. Physiological response in lichen species Phaeophyscia hispidula (Ach.) Essl., in relation to bioaccumulation of heavy metals. In Third International Conference on Plants and Environmental Pollution. International Society of Environmental Botanists and National Botanical Research Institute Lucknow, India, during 28^th Nov – 2^nd Dec. 2005. (Abstract)

Year 2006

47. Upreti, D.K. and Nayaka, S. 2006. Anisomeridium calcicolum sp. nov. and further new records of pyrenocarpous lichens from India. Lichenologist 38(3): 231-233.

48. Upreti, D.K., Nayaka, S., and Andreev, M.P. 2006. Notes on some species of lichen genus Lecidea from India. Mycotaxon 95: 323-330.

49. Nayaka, S., Upreti, D.K. and Lumbsch, T.H. 2006. Two new species of Lecanora from India. Lichenologist 38(5): 421-424.

50. Upreti, D.K. and Nayaka, S. 2006. Schadonia indica, a new corticolous species from tropical India. Mycotaxon 97: 275-278.

51. Nayaka, S. and Upreti, D.K. 2006. Chroodiscus himalayanus, an new species from India. Mycotaxon 98: 247-251.

52. Shukla, V., Upreti, D.K. and Nayaka, S. 2006. Heavy metal accumulation in lichens of Dehra Dun City, Uttaranchal, India. Indian J. Environ. Sciences 10(2): 165-169.

53. Nayaka, S., Upreti, D.K., Phatak, S. and Samuel, C. 2006. Preliminary observation on lichen flora of coconut and arecanut orchards of Goa, India. Phytotaxonomy 6: 23-25.

54. Upreti, D.K., Bajpai, R. and Nayaka, S. Diversity of lichens in North Sikkim, Eastern Himalayas. In National symposium on issues and challenges for environmental management: Vision 2025. Department of Environmental Sciences, Babasaheb Bhimrao Ambedkar (Central) University, Lucknow, during 17^th – 19^th Feb. 2006. (Abstract)

55. Satya, Nayaka, S and Upreti, D.K. Preliminary observation on fleshy macro-fungi of Amarkantak Achanakmar Biosphere Reserve. In National symposium on issues and challenges for environmental management: Vision 2025. Department of Environmental Sciences, Babasaheb Bhimrao Ambedkar (Central) University, Lucknow, during 17^th – 19^th Feb. 2006. (Abstract)

56. Upreti, D.K. and Nayaka, S. Contribution to the biodiversity of Antarctica: Lichens of Schirmacher Oasis. In Seminar on Antarctic contributions in global perspectives. Silver Jubilee of Indian Antarctic Programme. National Centre for Antarctic and Ocean Research, Goa, during 25^th – 26^th May 2006. (Abstract)

Year 2007

57. Upreti, D.K., Nayaka, S., Divakar, P.K. and Elix, J.A. 2007. Addition to the parmelioid lichen flora of India. The Indian Forester 133(1): 139-142.

58. Upreti, D.K., Nayaka, S., Tandon, J. and Bajpai, A. 2007. Lichens of Kolkata City and Indian Botanical Garden, West Bengal. J. Appl. Biosci. 33(1): 70-72.

59. Ahti, T., Upreti, D.K. and Nayaka, S. 2007. Cladonia luetenscens, a new species from Himalayas. Mycotaxon 101: 25-27.

60. Singh, S.M., Nayaka, S. and Upreti, D.K. 2007. Lichen communities in Larsemann Hills, East Antarctica. Current Science 93(12): 1670-1672.

61. Nayaka, S. and Upreti, D.K. 2007. Notes on some interesting micro lichens from India. Indian J. Forestry. 30(4): 509-510.

62. Nayaka, S., Satya and Upreti, D.K. 2007. Lichen diversity in Achanakmar Wildlife Sanctuary, core zone area of proposed Amarkantak Biosphere Reserve, Chhattisgarh. J. Econ. Taxon. Bot. 31(1): 133-142.

63. Nayaka, S., Upreti, D.K. and Saxena, S. 2007. Muscicolous lichens of Indian subcontinent. In V. Nath and A.K. Asthana (eds), Current Trends in Bryology. Bishen Singh Mabedra Pal Singh, Dehra Dun. Pp. 245-254.

64. Ureti, D.K., Nayaka, S. and Punetha, N. Scope of taxonomical studies on lichens of India. In State level seminar on Opportunities and scope for research in Government colleges. L.S.M. Government Postgraduate College, Pithoragarh, Uttarakhand during 16^th – 17^th March 2007. (Abstract)

65. Nayaka, S. and Upreti, D.K. Bharatiya shaik vividhata tatha unaka aartihik mahatva (In Hindi). In Rashtriya sangoshti – Vartamaan sandarbh mein jaiv vividhata ka mahatva. National Botanical Research Institute, Lucknow, during 22^nd – 23^rd Nov. 2007. (Abstract)

66. Nayaka, S. Diversity and distribution of lichens in Katarniaghat Wildlife Sanctuary, Uttar Pradesh. In 30^th Botanical Conference of Indian Botanical Society. Jiwaji University, Gwalior, during 28^th – 30^th Nov. 2007. (Abstract)

67. Nayaka, S. and Upreti, D.K. 2007. Rashtriya vanaspati udyaan mein pakshi nirikshan (bird watching) (In Hindi): Vigyan vaani 13: 98-108. (Popular article)

68. Upreti, D.K., Nayaka, S. and Khare, R. 2007. Prachur vanya jeev tatha shaik vividhata yukt van vihaar: Katarniaghat (In Hinid). Vigyan vaani 13: 92-97. (Popular article)

69. Nayaka, S. and Upreti, D.K. 2007. Ecological studies on the lichen flora of Katarniaghat Wildlife Sanctuary. Council of Science and Technology, U.P. (Technical Report)

Year 2008

70. Upreti, D.K. and Nayaka, S. 2008. Need for creation of lichen gardens and sanctuaries in India. Current Science 94(8): 976-978.

71. Upreti, D.K., Joshi, Y., Divakar, P.K., Lumbsch, H.T. and Nayaka. S. 2008. Notes on some interesting lichens from Western Ghats in India. Phytotaxonomy 8: 113-116.

72. Nayaka, S. and Upreti, D.K. 2008. Distribution and diversity of lichens in Schirmacher Oasis, and neighbouring Nunataks, East Antarctica. 22^nd Indian Expedition to Antarctica, Technical Publication No. 20. Ministry of Earth Sciences. New Delhi. Pp. 227-241. (Technical Report)

73. Nayaka, S. and Upreti, D.K. Diversity of Western Himalayan lichens and their economic importance. In National Symposium on Plants Resources of India: Linking conservation, livelihood and culture. Sri Jagadguru Chandrashekara Bharathi Memorial (JCBM) College, Sringeri, during 14^th – 15^th March 2008. (Abstract)

74. Ranjan, S., Saxena, P., Nayaka, S., Pathre, U.V. and Singh, R. 2008. Assessing vitality of Himalayan lichens by the chlorophyll fluorescence parameter Fv/Fm. In 31st All India Botanical Conference and International Symposium on Plant Biology and Environmental: Changing Scenario. University of Allahabad, Allahabad, during 17^th – 18^th Dec. 2008. (Abstract)

75. Khare, R., Nayaka, S. and Upreti, D.K. 2008. Usnic acid: pharmacologically remarkable lichen secondary metabolite. In 3^rd J & K State Science Congress, Jammu University, Jammu, during 26^th – 28^th Feb. 2008. (Abstract).

Year 2009

76. Nayaka, S., Upreti, D.K. and Bajpai, R. 2009. Diversity and adaptive response of lichens in Antarctica. In K.R. Sridhar (ed.). Frontiers in fungal ecology, diversity and metabolites. I.K. International Publishing House Pvt. Ltd., New Delhi. Pp. 107-123.

77. Upreti, D.K., Nayaka, S. and Joshi, Y. 2009. Ramboldia amarkantakana (Lecanoraceae, Ascomycota), a new lichen species from India. Mycotaxon 107: 239-242.

78. Khare, R., Upreti, D.K., Nayaka, S. and Gupta, R.K. 2009. Diversity of soil lichens in India. In R.K. Gupta, M. Kumar and D. Vyas (eds.). Soil microflora. Daya Publishing House, Delhi. Pp. 64-75.

79. Upreti, D.K., Nath, V., Khare, P.B., Suseela, M.R., Asthana, A.K. and Nayaka, S. 2009. Present status of Linnaean names of Indian cryptogams. Proc. Nat. Acad. Sci. India. Sect. B 79: 26-33.

80. Nayaka, S., Ranjan, S., Saxena, P., Pathre, U.V., Upreti, D.K. and Singh, R. 2009. Assessing the vitality of Himalayan lichens by measuring their photosynthetic performances using chlorophyll fluorescence technique. Currenst Science 97(4): 538-545.

81. Upreti, D.K., Nayaka, S. and Dubey, U. 2009. Air pollution monitoring studies with lichens in India. Applied Botany Abstracts 29(2): 174-186.

82. Bajapai, R., Upreti, D.K., Dwivedi, S.K. and Nayaka, S. 2009. Lichens as quantitative biomonitors of atmospheric heavy metal deposition in Central India. J. Atmospheric Chemistry 63: 235-246.

83. Upreti, D.K., Bajpai, R. and Nayaka, S. 2009. Indian monuments need lichen biodeterioration study. New Horizons 7: 64-69.

84. Bajpai, R., Dwivedi, A., Upreti, D.K. and Nayaka, S. 2009. Enumeration of lichens from Hoogly and Nadia districts of West Bengal, India. Phytotaxonomy 9: 1-6.

85. Nayaka, S. 2009. Antarcticadalli Bharatiyaru – Ondu anubhava kathana. Vijnaana Karnataka 32(1-4): 55-66. (Popular article).

86. Nayaka, S., Kumar, A., Pathre, U. and Upreti, D.K. 2009. Estimating carbon stable isotope composition in lichens of Schirmacher Oasis, E. Antarctica. In International Conference on Polar Science and Technology. New Delhi, during 4^th – 6^th Oct. 2009 (Abstract).

87. Nayaka, S., Kumar, A., Singh, R., Upreti, D.K. and Pathre, U.V. 2009. Stable carbon isotopes in lichens of Schirmacher Oasis, Antarctica under changing climate. In National Conference on Climatic Changes Druing the Quaternary: Special Reference to Polar Regions and Southern Ocean. National Centre for Antarctic and Ocean Research, Goa and Birbal Sahni Institute of Paleobotany, Lucknow, during 22^nd – 23^rd Oct. 2009 (Abstract).

88. Nayaka, S., Singh, R., Pathre, U.V. and Upreti, D.K. 2009. Desiccation tolerance study in Himalayan and Antarctic lichens. In 32^nd All India Botanical Conference and International Symposium on Diversity of Plants and Microbes: Present Scenario. Kuvempu University, Shankaraghatta during 28^th – 30^th Dec. 2009 (Abstract).

89. Bajpai, R., Upreti, D.K., Pandey, V. and Nayaka, S. 2009. Arsenic and its interaction in transplanted lichen Pyxine cocoes (Sw.) Nyl. In 32^nd All India Botanical Conference and International Symposium on Diversity of Plants and Microbes: Present Scenario. Kuvempu University, Shankaraghatta during 28^th – 30^th Dec. 2009 (Abstract).

Year 2010

90. Bajpai, R., Upreti, D.K., Nayaka, S. and Kumari, B. 2010. Biodiversity, bioaccumulation and physiological changes in lichens growing in the vicinity of coal-based thermal power plant of Raebareli district, north India. Journal of Hazardous Material. 174: 429-436.

91. Vinayaka, K.S, Krishnamurthy, Y.L and Nayaka S. 2010. Macrolichen flora of Bhadra Wildlife Sanctuary, Karnataka, India. Annales of Forestry 18(1): 81-90.

92. Bajpai, R., Upreti, D.K. and Nayaka, S. 2010. Accumulation of Arsenic and Fluoride in lichen Pyxine cocoes (Sw.) Nyl., growing in the vicinity of coal-based thermal power plant at Raebareli, Inida. Journal of Experimental Science 1(4): 37-40.

93. Upreti, D.K., Nayaka, S. and Chatterjee, S. 2010. Lichen diversity of Uttarakhand Himalaya. In P.L. Uniyal, B.P. Chamola and D.P. Semwal (eds.). The Plant Wealth of Uttarakhand. Jagdamba Publishing Co., New Delhi. Pp. 79-196.

94. Nayaka, S., Upreti, D.K. and Khare, R. 2010. Medicinal lichens of India. In P.C. Trivedi (ed.). Drugs from Plants. Avishkar Publishers Distributors, Jaipur. Pp. 1-38.

95. Dubey, U, Upreti, D.K. and Nayaka, S. 2010. A new species of Leiorreuma Eschw. from India. Lichenologist 42(6): 711-713.

96. Joshi, S., Upreti, D.K. and Nayaka. S. 2010. A new species of non-lichenized genus Stictis (Ostropales, Lecanoromycetes) from India. Mycotaxon 113: 157-162.

97. Bajpai, R., Nayaka, S. and Upreti, D.K. 2010. Calcium accumulation in lichens of Bhimbetka rock shelter - World Heritage Zone, India. British Lichen Society Bulletin 107: 71-76.

98. Upreti, D.K., Joshi, Y., Nayaka, S. and Joshi, S. 2010. News records of some interesting squamulose lichens from Western Himalaya. Geophytology 38(1-2): 85-91.

99. Biju, H., Bagool, R.G. and Nayaka, S. 2010. Additions to the lichen flora of Kerala State I: Parmelioid macro-lichens. J. Econ. Taxon. Bot. 34(4): 890-897.

100. Upreti, D.K., Joshi, S. and Nayaka, S. 2010. Chemistry of common dye yielding lichens of India. ENVIS, Forestry Bulletin 10(1): 122-133.

101. Nayaka, S., Upreti, D.K., Punjani, B., Dubey, U. and Rawal. J. 2010. New records and notes on some interesting lichens of family Roccellaceae from India. Phytotaxonomy 10: 127-133.

102. Upreti, D.K., Mishra, G.K., Nayaka, S. and Punetha, N. Common lichens of Pithoragarh district. In National Workshop on Landslide and Environmental Degradation in Hilly Terrains. L.S.M. Govt. Postgraduate Degree College, Pithoragarah, during 4^th – 6^th June 2010 (Abstract).

103. Joshi, S., Mishra, G.K., Nayaka, S. and Upreti, D.K. Using lichens to estimate date and frequency of paleolandslides. In 1^st Indian Landslide Congress. Lucknow University, Lucknow, during 1^st – 2^nd Nov. 2010. (Abstract).

104. Mishra, G.K., Upreti, D.K. and Nayak, S. Floristic account of lichens in Narayan Ashram, Pithoragarh district, Uttarakhand. In 33^rd Conference of Indian Botanical Society and International Symposium on the New Horizons of Botany. Shivaji University, Kolhapur, during 10^th – 12^th Nov. 2010. (Abstract).

105. Rai, H., Gupta, R.K., Upreti, D.K., Nayaka, S. Terricolous Lichens as indicators of habitat variability and human-related impacts in Garhwal Himalaya. In 5^th Uttarakhand State Science and Technology Congress, Doon University, Dhradun, during 10-12 Nov. 2011. (Abstract).

106. Nayaka, S. and Upreti, D.K. Medicinal potential of lichens: Challenges and Opportunities. In International Conference on Folk and Herbal Medicine. Mohanlal Sukhadia University, Udaipur, during 25^th – 27^th Nov. 2010. (Abstract).

107. Joshi, S., Upreti, D.K. and Nayaka, S. Lichenometric studies in India. In Fourth International Conference on Plants and Environment Pollution. National Botanical Research Institute, Lucknow, during 8^th – 11^th Dec. 2010. (Abstract).

108. Bajpai, R., Nayaka, S. and Upreti, D.K. Determination of arsenic and heavy metals concentration in lichen Graphis ceylanica occurring in Hoogly district, West Bengal. In Fourth International Conference on Plants and Environment Pollution. National Botanical Research Institute, Lucknow, during 8^th – 11^th Dec. 2010. (Abstract).

109. Bajpai, R., Upreti, D.K. and Nayaka, S. Hyper arsenic accumulating lichens in India. In Fourth International Conference on Plants and Environment Pollution. National Botanical Research Institute, Lucknow, during 8^th – 11^th Dec. 2010. (Abstract).

110. Reddy, M.A., Nayaka, S., Reddy, V.L., Shankar, P.C. and Reddy, S.R. In Vitro Antimicrobial activity of lichen Parmotrema mesotropum (Müll. Arg.) Hale extracts. In 2^nd International Seminar on Medicinal Plants & Herbal Products & International Herbo Expo – 2010, Depart. of Botany, S.V. University; AP Medicinal & Aromatic Plants Board; A.P. State Council of Science & Technology (APCOST); Association of Pharmaceutical Teachers of India, Hyderabad, during 27^th - 29^th December 2010. (Abstract).

Year 2011

111. Bajpai, R., Mishra, G.K., Mohabe, S., Upreti, D.K. and Nayaka, S. 2011. Determination of atmospheric heavy metal using two lichen species in Katni and Rewa cities, India. J. Environ. Biology. 32: 195-199.

112. Mishra, G.K., Upreti, D.K. and Nayaka, S. and Haridas, B. 2011. New taxa and new reports of Phyllopsora (lichenized Ascomycotina) from India. Mycotaxon. 115: 29-44.

113. Nayaka, S., Upreti, D.K. and Singh, R. 2011. Water relation of some common lichens occurring in Schirmacher Oasis. In J. Singh and H.N. Datta (eds.). Antarctica: The Most Interactive Ice-Air-Ocean Environment. Science Publishers, Inc. Pp. 163-172.

114. Upreti, D.K. and Nayaka, S. 2011. Affinities of Indian lichen flora vis-à-vis Antarctic and Schirmacher Oasis. In J. Singh and H.N. Datta (eds.). Antarctica: The Most Interactive Ice-Air-Ocean Environment. Science Publishers, Inc. Pp. 149-161.

115. Upreti, D.K., Dubey, U. and Nayaka, S. 2011. A new isidiate species of Hemithecium Trevis. (Ascomycota, Graphidaceae) from India. Lichenologist 43(5): 483-485.

116. Hazarika, N., Daimari, R., Nayaka, S. and Hoque, R. 2011. What do epiphytic lichens of Guwahati City indicate? Current Science 101(7): 824.

117. Bajpai, R., Nayaka, S. and Upreti, D.K. 2011. Distribution of lichens on four trees in East and South Districts of Sikkim. Biozone 3: 406-419.

118. Joseph, S., Nayaka, S. and Ramachandran, V.S. 2011. Addition to the lichen flora of Nilgiris in Tamil Nadu. ENVIS News Letter (BSI) 16(1): 6.

119. Nayaka, S., Upreti, D.K. and Khare, R. 2011. Diversity and distribution of lichens in Katarniaghat Wildlife Sanctuary, Uttar Pradesh. J. Indian Bot. Soc. 90(3&4): 360-366.

120. Reddy, M.A., Nayaka, S., Shankar, P.C., Reddy, S.R. and Rao, B.R.P. 2011. New records and checklist of lichens for Andhra Pradesh, India. Indian Forester 137(12): 1371-1376.

121. Nag, P., Rai, H., Upreti, D.K., Nayaka, S. and Gupta, R.K. 2011. Epiphytic lichens as indicators of land-use pattern and forest harvesting in a community forest in west Nepal. Botanica Orientalis – Journal of Plant Science 8: 24-32.

122. Rai, H., Khare, R., Nayaka, S., Upreti, D.K. and Gupta, R.K. 2011. Lichen synusiae in East Antarctica (Schirmacher Oasis and Larsemann Hills): substratum and morphological preferences. Czech Polar Reports 1(2): 65-77.

123. Nayaka, S. and Upreti, D.K. 2011. Lichens diversity in Western Ghats: Need for quantitative assessment and conservation. Commissioned Paper, Report of the Western Ghats Ecological Expert Panel. Ministry of Environment and Forests, New Delhi.

124. Nayaka, S. and Upreti, D.K. An inventory of lichens in Uttar Pradesh through bibliographic compilation. In National Conference on Forest Biodiversity: Earth’s Living Treasure. Uttar Pradesh State Biodiversity Board, Lucknow, during 22^nd May, 2011. Pp. 24-35 (Conference Proceedings).

125. Rai, H., Khare, R., Upeti, D.K. and Nayaka, S. Epiphytic lichens as indicators of land utilization and unconstrained timber harvesting in western Nepal. In International Conference on Plant Science in Post Genomic Era (ICPSPGE-2011). Sambalpur University, Orissa, during 17^th – 19^th Feb. 2011. (Abstract).

126. Bajpai, R., Nayaka, S. and Upreti, D.K. Survival strategies of lichen Pyxine cocoes against arsenic stress. In International Conference on Plant Science in Post Genomic Era (ICPSPGE-2011). Sambalpur University, Orissa, during 17^th – 19^th Feb. 2011. (Abstract).

127. Singh, R., Ranjan, S., Soni, D., Nayaka, S. and Shirke, P. Desiccation tolerance in the lichen: Physiological and biochemical changes during desiccation and recovery. In International Conference on Plant Science in Post Genomic Era (ICPSPGE-2011). Sambalpur University, Orissa, during 17^th – 19^th Feb. 2011. (Abstract).

128. Nayaka, S., Prasad, R. and Upreti, D.K. 2011. New addition to the lichen flora of Uttar Pradesh. In 34^th All India Botanical Conference, Lucknow University, Lucknow, during 10^th – 12^th October 2011. (Abstract).

129. Karakoti, N., Nayaka, S. and Upreti, D.K. 2011. Spatial heterogeneity in the physiologically active zones of liche Pyxine cocoes (Sw.) Nyl. In 34^th All India Botanical Conference, Lucknow University, Lucknow, during 10^th – 12^th October 2011. (Abstract).

130. Reddy, M.A., Devi, B.A., Nayaka, S., Shankar, P.C., Reddy, S.R.G. and Rao, B.R. 20111. Medicinal lichens of Rayalaseema forests of Andhra Pradesh, India. In National Seminar on Environment and Sustainable Development, Departmnet of Environmental Sciences, Acharya Nagarjuna University, Nagarjunanagar, during 28^th – 29^th October, 2011 (Abstract).

131. Nayaka, S., Upreti, D.K. and Rai, H. 2011. An outline of lichen diversity in Uttarakhand, India. In 6^th Uttarkhand State Science and Technology Congress, Kumaun University, S.S.J. Campus, Almora, during 14^th -16^th November 2011. (Abstract).

Year 2012

132. Joshi, S., Upreti, D.K. and Nayaka, S. 2012. Two new species in the lichen genus Phlyctis (Phlyctidaceae) from India. Lichenologist 44(3): 363-369.

133. Vinayaka, K.S., Nayaka, S., Krishnamurthy, Y.L. and Upreti, D.K. 2012. A report on some macrolichens new to Karnataka. Journal of Threatened Taxa 4(1): 2318–2321.

134. Joshi, S., Upreti, D.K., Das. P. and Nayaka, S. 2012. Lichenometry: A technique to date natural hazards. Earth Science India 5(2): 1-16.

135. Bajpai, R., Pandey, A.K., Deeba, F., Upreti, D.K., Nayaka, S. & Pandey, V. 2012. Physiological effects of arsenate on transplant thalli of the lichen Pyxine cocoes (Sw.) Nyl. Environ. Sci. Pollut. Res 19: 1494-1502.

136. Joshi, S., Upreti, D.K. and Nayaka, S. 2012. The lichen genus Chapsa (Graphidaceae) in India. Mycotaxon. 120. 23-33.

137. Papong, K., Nayaka, S. and Lumbsch, H.T. 2012. Two new species and a new record of Lecanora sensu stricto (Lecanoraceae, Ascomycota) from India. Phytotaxa 68: 24–28.

138. Logesh, A.R., Upreti, D.K., Kalaiselvam, M., Nayaka, S. and Kathiresan, K. 2012. Lichen flora of Pichavaram and Muthupet mangroves (south coast of India). Mycosphere 3(5). 884–888.

139 .Mishra, G.K., Upreti, D.K. Nayaka, S. and Punehta, N. 2012. An enumeration of lichens from Udham Singh Nagar district of Uttarakhand with Bacidia delicate as new record for India. Phytotaxonomy 12: 105-108.

140. Bajpai, R., Upreti, D.K., Nayaka, S. and Dubey, U. 2012. Lichen flora in and around Mahabaleshwar, Satara district, Maharashtra with Lecanora expallens Ach., as new record to Indian lichen flora. Phytotaxonomy 12: 123-130.

141. Biju, H., Bagool, R.G. & Nayaka, S. 2012. Addition to the lichen flora of Kerala State II: Graphidaceae. Journal of Economic and Taxonomic Botany 36(4): 867-873.

142. Ayyappadasan, G., Ponmurugan, P., Nayaka, S., Upreti, D.K. and K. Kartikeya. 2012. Diversity and distribution of lichen species at Eastern Ghats of Tamil Nadu. In P. Ponmurugan, P. Prabhu, G. Ayyappadasan and R.G. Babu (eds.). Current Scenario in Biotechnology. Bloombsbury Publishing India Pvt. Ltd., New Delhi. Pp. 118-126.

143. Nanthini, R., Mithirai, M., Ayyappadasan, G., Ponmurugan, P., Nayaka, S. and Preetha, M. 2012. Biomedical potential of Parmelioid lichens obtained from local shop of Erode and Tripur districts of Tamil Nadu. In P. Ponmurugan, P. Prabhu, G. Ayyappadasan and R.G. Babu (eds.). Current Scenario in Biotechnology. Bloombsbury Publishing India Pvt. Ltd., New Delhi. Pp. 171-179.

144. Bajpai, R., Upreti, D.K., Nayaka, S. & Dwivedi, S.K. 2012. Lichen biodeterioration studies in India: An overview. In Bioremediation of Pollutants (Eds. R.C. Dubey & D.K. Maheshwari). I.K. International Publishing House, New Delhi. Pp. 63-73.

145. Nayaka, S., Upreti, D.K. and Ingle, K.K. 2012. Mangroves of India: Potential habitats for unique lichen flora. In National Conference on Marine Biodiversity: One ocean – many worlds of life (International Day for Biological Diversity), Uttar Pradesh State Biodiversity Board, Lucknow, during 22^nd May 2012 (Conference proceedings).

146. Nayaka, S. and Upreti, D.K. 2012. An overview of lichen diversity and conservation in Western Ghats, India. In The 7^th IAL Symposium. Lichens: from genome to ecosystems in an changing world. Chaophya Park Hotel, Bangkok, during 9^th -13^th January 2012. (Abstract).

147. Nayaka, S. and Upreti, D.K. 2012. Diversity and distribution of lichen family Parmeliaceae in India. In The 7^th IAL Symposium. Lichens: from genome to ecosystems in an changing world. Chaophya Park Hotel, Bangkok, during 9^th -13^th January 2012. (Abstract).

148. Khare, R., Nayaka, S. and Upreti, D.K. 2012. Notes on occurrence of Cyanolichens in India. In The 7^th IAL Symposium. Lichens: from genome to ecosystems in a changing world. Chaophya Park Hotel, Bangkok, during 9^th -13^th January 2012. (Abstract).

149. Nayaka, S. 2012. An overview of cryptogams diversity in India. In Biodiversity and Sustainability: Present Problems and Future Prospects (Kuvempu University Silver Jubilee Symposium). Kuvempu University, Shankargatta, during 5^th – 6^th March 2012. (Abstract). Keynote lecture.

150. Nayaka, S., Upreti D.K. and Srivastava, A. 2012. Some new additions to the lichen flora of Uttar Pradesh. In National Conference on Biotechnolgy and Biodiversity: Biological Resources Conservation Management and Sustainable Uses. Govt. M. S. Golwalkar College, Rewa, Madhya Pradesh, during 13^th - 14^th March 2012. (Abstract).

151. Khare, R., Rai, H., Upreti, D.K., Nayaka, S. and Gupta, R.K. 2012. Cyanolichen Genus Peltigera in India: diversity and ecological preferences. In International symposium on mountain resource management in a changing environment. Kathmandu, Nepal, during 29-31 May 2012. (Abstract).

152. Bajpai, R., Upreti, D.K. and Nayaka, S. 2012. Lichen diversity of Govind Wildlife Sanctuary, Uttarakhand - A Potential resources for bioprospectional and biotechnological studies. In National Seminar on Geology, Biodiversity and Natural Resources of Himalaya and their Intellectual Property Law. L.S.M. Post Graduate College, Pithoragarh, Uttarakhand, during 14^th - 15^th Oct. 2012. (Abstract).

153. Devi, B., Mohabe, S., Reddy, M.A. & Nayaka, S. 2012. Diversity of lichens in the surroundings of Thummalapalli uranium mine in Kadapa district of Andhra Pradesh. In Innovation in Science, Technology and Mathematics (ISTAM), A.P. Science Congress - 2012, Andhra Pradesh Akademi of Science and Acharya Nagarjuna University, Guntur, during 14-16 Nov. 2012. (Abstract).

154. Srivastava, A., Nayaka, S., Upreti, D.K. and Bajpai, R. 2012. Lichens of Sonbhadra district, Uttar Pradesh. In 35^th All India Botanical Conference & National Symposium on Role of Plants and Microbes for the betterment of Mankind in the Changing Climate. The Maharaja Sayajirao University of Baroda, Vadodara, during 8^th – 10^th Dec. 2012. (Abstract).

155. Bajpai, R., Upreti, D.K. and Nayaka, S. 2012. Impact of vehicular activity on lichen diversity in Mahabaleshwar city, Maharashtra. In 35^th All India Botanical Conference & National Symposium on Role of Plants and Microbes for the betterment of Mankind in the Changing Climate. The Maharaja Sayajirao University of Baroda, Vadodara, during 8^th – 10^th Dec. 2012. (Abstract).

156. Ingle, K.K., Nayaka, S., Suresh, H.S. and Upreti, D.K. 2013. Diversity of canopy lichens in 50 ha plot of Mudumalai Wildlife Sanctuary, Tamil Nadu. In 35^th All India Botanical Conference & National Symposium on Role of Plants and Microbes for the betterment of Mankind in the Changing Climate. The Maharaja Sayajirao University of Baroda, Vadodara, during 8^th – 10^th Dec. 2012. (Abstract).

Year 2013

157. Nayaka, S., Upreti, D.K., Ponmurgan, P. and Ayyappadasan, G. 2013. Two new species of saxicolous Pyxine with yellow medulla from Southern India. Lichenologist 45(1): 3-8.

158. Upreti, D.K., Mishra, G.K. and Nayaka, S. 2013. New records of lichen genera Agonimia and Baeomyces (Ascomycota) from India. Geophytology 43(1): 69-73.

159. Singh, R., Ranjan, S., Nayaka, S., Pathre, U.V. and Shirke, P.A. 2013. Functional characteristics of a fruticose type of lichen Stereocaulon foliolosum Nyl. in response to light and water stress. Acta Physiologiae Plantarum 35(5): 1605-1615.

160. Dubey, U., Upreti, D.K., Ingle, K.K & Nayaka, S. 2013. New distributional records of lichen genus Mycobilimbia from India. Geophytology 42(2): 115-119.

161. Joshi, S., Upreti, D.K. & Nayaka. S. 2013. A new lichenicolous Arthonia species (Arthoniaceae) on Diorygma from India. Lichenologist 45(3): 323-327.

162. Nayaka, S., Reddy, M.A., Ponmurugan, P., Devi, A.B., Ayyappadasa, G. 2013. Eastern Ghats, biodiversity reserves with unexplored lichen wealth. Current Science 104(7): 821-825.

163. Daimari, R., Hoque, R.R., Nayaka, S. and Upreti, D.K. 2013. Atmospheric heavy metal accumulation in epiphytic lichens and their phorophytes in the Brahmaputra valley. Asian J. Water, Environment and Pollution 10(4): 1-12.

164. Nayaka, S., Ingle, K.K., Bajpai, R., Rawal, J.R., Upreti, D.K. and Trivedi, S. 2013. Lichens of Gujarat state, India with special reference to coastal habitats. Current Research in Environmental & Applied Mycology 3(2), 222-229.

165. Devi, A.B., Mohabe, S, Reddy, A.M., Nayaka, S. and Shankar, P.C. 2013. Diversity and distribution of lichens in YSR district, Andhra Pradesh with several new additions. Indian Journal of Plant Science 2(4): 2319-3824.

166. Haq, M.U., Reshi, H.Z., Nayaka, S. & Sheik, M.A. 2013. New addition to lichen biota of Jammu & Kashmir. Phytotaxonomy 13: 84-87.

167. Khare, P.B., Nath, V., Upreti, D.K., Suseela, M.R., Asthana, A.K., Nayaka, S. and Singh, A.P. 2013. Glimpses of cryptogamic research at CSIR-NBRI. In Diamond Jubilee Commemoration Volume - Research and Development from the Past Decade (Eds. D.V. Amla, P. Nath, D.K. Upreti, N. Singh and K.N. Nair). CSIR-National Botanical Research Institute, Lucknow. Pp. 130-160.

168. Upreti, D.K., Bajpai, R. and Nayaka, S. 2013. Ethnobotanically important Indian lichens. Ethnobotany 25:33-40.

169.Nayaka, S. and Upreti, D.K. 2013. Lichens of Uttar Pradesh. Uttar Pradesh State Biodiversity Board, Lucknow.

170.Logesh, A.R., Kalaiselvam, M., Upreti, D.K., Nayaka, S. and Kathiresan, K. 2013. Mangroves - An abode for unique lichens. In Coastal Ecosystems of India - Special Publication (Eds. K. Kathiresan and S. Ajmal Khan), ENVIS Publication Series 1, Annamalai University 39-44.

171. Rai, H., Khare, R., Nayaka, S. and Upreti, D.K. 2013. The influence of water variables on the distribution of terricolous lichens in Garhwal Himalayas. National Conference on Water and Biodiversity (International Day for Biological Diversity), Uttar Pradesh State Biodiversity Board, Lucknow, during 22^nd May 2013. Pp. 75-82. (Conference proceedings).

172. Nayaka, S. and Upreti, D.K. 2013. Lichen diversity in India: Some lichen rich and under explored aeas. In National Seminar on Environmental Issues and Challenges in the 21^st Century (EICC-2013). Department of Environmental Science, Bareilly College, Bareilly, during 3 - 5 Feb. 2013.

173. Bajpai, R., Nayaka, S. & D.K. Upreti. 2013. Current trends in lichen biomonitoring. In Lucknow Science Congress, Innovation in Science of Better Tomorrow. Babasaheb Bhimrao Ambedkar University, Lucknow, during 20 - 21^st March 2013.

174. Nayaka, S., Singh, R. and Upreti, D.K. 2013. Physiological responses of lichen Stereocaulon foliolosum and moss Racomitrium subsecundum co-occurring in same habitat in western Himalayas In 8^th National Conference on Biotechnology, Biodiversity and Environment. Recent Advances in Biodiversity Conservation, Biotechnology and Environmental Management Research. Govt. M. S. Golwalkar College, Rewa, Madhya Pradesh, during 19^th - 20^th April 2013. (Abstract).

175. Srivastava, A., Nayaka, S., Updhyay, V. & Upreti, D.K. 2013. Distribution and abundance of lichen Pyxine cocoes (Sw.) Nyl. in Uttar Pradesh, India. In 8^th National Conference on Biotechnology, Biodiversity and Environment. Recent Advances in Biodiversity Conservation, Biotechnology and Environmental Management Research. Govt. M. S. Golwalkar College, Rewa, Madhya Pradesh, during 19^th - 20^th April 2013. (Abstract).

176. Ponmurugan, P., Mageshwari, D., Ayyappadasan, G., Nayaka, S. & Verma, R.S. 2013. Environmental factors affecting the appearance of lichens in Yercaud Hills, Eastern Ghats. In 8^th National Conference on Biotechnology, Biodiversity and Environment. Recent Advances in Biodiversity Conservation, Biotechnology and Environmental Management Research. Govt. M. S. Golwalkar College, Rewa, Madhya Pradesh, during 19^th - 20^th April 2013. (Abstract).

177. Ingle, K., Nayaka, S., Bajpai, R., Rawal, J. & Upreti, D.K. 2013. Preliminary observation of lichen flora in Gujarat State, India. In 8^th National Conference on Biotechnology, Biodiversity and Environment. Recent Advances in Biodiversity Conservation, Biotechnology and Environmental Management Research. Govt. M. S. Golwalkar College, Rewa, Madhya Pradesh, during 19^th - 20^th April 2013. (Abstract).

178. Mishra, G.K., Upreti, D.K. & Nayaka, S. 2013. Diversity of lichens in Sidhi district, Madhya Pradesh, Central India. In 8^th National Conference on Biotechnology, Biodiversity and Environment. Recent Advances in Biodiversity Conservation, Biotechnology and Environmental Management Research. Govt. M. S. Golwalkar College, Rewa, Madhya Pradesh, during 19^th - 20^th April 2013. (Abstract).'

179. Karakoti, N., Bajpai, R., Nayaka, S. and Upreti, D.K. 2013. Preliminary observation on lichens of Govind Wildlife Sanctuary, Uttarkashi District, Uttarakhand. In 34^th Annual conference of the Indian Botanical Society. Plant Wealth and Human Welfare. DDU Gorakhpur University, Gorakhpur, during 18 - 20^th October 2013. (Abstract).

180. Ingle, K.K.., Nayaka, S., Bajpai, R., Rawal, J.R. and Upreti, D.K. Diversity and distribution of lichens in Gujarat state, India. In 34^th Annual conference of the Indian Botanical Society. Plant Wealth and Human Welfare. DDU Gorakhpur University, Gorakhpur, during 18 - 20^th October 2013. (Abstract).

181. Nayaka, S., Ingle, K.K., Bajpai, R. and Upreti, D.K. Current status of lichens in Uttar Pradesh. In 34^th Annual conference of the Indian Botanical Society. Plant Wealth and Human Welfare. DDU Gorakhpur University, Gorakhpur, during 18 - 20^th October 2013. (Abstract).

Year 2014

182. Karakoti, N., Bajpai, R., Upreti, D.K., Mishra, G.K., Srivastava, A. & Nayaka, S. 2014. Effect of metal contents on chlorophyll fluorescence & chlorophyll degradation in lichens Pyxine cocoes (Sw.) Nyl., - a case study from Uttar Pradesh, India. Environmental Earth Sciences. 71 (5): 2177-2183.

183. Shukla, P., Upreti, D.K., Nayaka, S. and Tiwari, P. 2014. Natural dyes from Himalayan lichens. Indian Journal of Traditional Knowledge 13(1): 195-201.

184. Karakoti, N., Bajpai, R., Upreti, D.K. & Nayaka, S. 2014. Lichen flora of Gowind Wildlife Sanctuary in Uttarkashi district, Uttarkhand, India. Geophytology 44(1): 53-60.

185. Mohabe, S., Reddy, A.M., Devi, A.B., Nayaka. S. and Shankar, P.C. 2014. Further new additions to the lichen mycota of Andhra Pradesh, India. Journal of Threatened Taxa 6(8): 6122-6126.

186. Nayaka, S. and Saxena, P. 2014. Physiological responses and ecological success of lichen Stereocaulon foliolosum and moss Racomitrium subsecundum growing in same habitat in Himalaya. Indian Journal of Fundamental and Applied Life Sciences 4(3): 167-179.

187. Nayaka, S., Upreti, D.K. and Tandon, J. 2014. Heavy Metal Accumulation in Pyxine cocoes (Sw.) Nyl. transplanted at Kolkata City, West Bengal, India. G-Journal of Environmental Science and Technology 2(1): 1-5.

188. Biju, H., Bagool, R.G. and Nayaka, S. 2014. Diversity of lichens in Idukki district with new records to flora of Kerala. Indian Journal of Forestry 37(3): 333-340.

189. Biju, H., Bagool, R.G. and Nayaka, S. 2014. New records of Graphidaceous lichens from Western Ghats, India. Indian Journal of Forestry 37(4): 477-481.

190. Devi, A.B., Mohabe, S., Reddy, M.A., Nayaka, S., Ponmurugan, P. and Ayyappadasan, G. 2014. Antimicrobial activity of lichen Rocella montagnei Bél. obtained from Horsley Hills, Andhra Pradesh, India. In Bioactives from Natural Products (Ed. J. Madhusudana Rao). Proc. A.P. Akademi of Sciences (PAPAS) Special Issue 16(1): 13-19.

191. Daimari, R., Hazarika, N., Hoque, R.R., Nayaka, S. and Upreti, D.K. 2014. New records of epiphytic lichens from three districts of Assam, India. Indian Forester 140(8): 807-811.

192. Rai, H., Khare, R., Upreti, D.K. & Nayaka, S. 2014. Terricolous lichens of India: An introduction to field collection and taxonomic investigations. In Terricolous Lichens in India (Eds. H. Rai and D.K. Upreti).. Springer, New York. Pp. 1-16.

193. Nayaka, S. 2014. Methods and techniques in collection, preservation and identification of lichens. In Plant Taxonomy and Biosystematics - Classical and Modern Methods (Eds. T.S. Rana, K.N. Nair and D.K. Upreti).. New India Publishing Agency, New Delhi. Pp. 101-128.

194. Bajpai, R., Upreti, D.K. and Nayaka. S. 2014. Lichen diversity of Govind Wildlife Sanctuary, Uttarakhand: A potential plant resource for bioprospectional and biotechnological studies. In Geology, Biodiversity and Natural Resources of Himalaya and their Intellectual Property Law (Ed. R.A. Singh). Pratyush Publications, Delhi. Pp. 262-273. (ISBN 978-93-82171-40-9)

195. Ingle, K,K., Nayaka, S., Bajpai, R., Rawal, J.R., Upreti, D.K. and S. Trivedi An Account of Lichen Diversity in Islands of Marine Protected Area, Jamnagar, Gujarat. In Island Biodiversity (International Biodiversity Day for Biological Diversity). Uttar Pradesh State Biodiversity Board, Lucknow, during 22^nd May 2014. Pp. 23-30.. (Conference proceedings).

196. Nayaka, s. and Asthana, S. 2014. Diversity and Distribution of Lichens in India vis a vis its Lichenogeographic Regions. In Biodiversity Conservation, Status, Future and Way Farward (Eds. T. Marimuthu, P. Ponmurugan, M. Subramanian, N. Mathivanan and S. Anita). National Academy of Biological Science, Chennai. Pp 79-96. (Conference Proceedings). 19-20 July 2014

197 .Daimari, R., Hoque, R.R., Nayaka, S. and Ingle, K.K. 2014. High diversity of Graphidaceaous and Pyrenocarpous lichens in Eastern Himalayas - an observation from Assam. In National Conference on Fungal Diversity and Biotechnology for Food and Chemicals (FDBFC-2014) - 40^th Annual Meeting of Mycological Society of India (MSI). Annamalai Univeristy, during 27 - 28, Feb. 2014. (Abstract).

198. Daimari, R., Hoque, R.R., Nayaka, S. and Asthana, S. 2014. Assessment of air quality in two cities of Assam using foliose lichen Parmotrema tinctorum (Nyl.) Hale. In International Conference on Environmental Technology and Sustainable Development: Challenges and Remedies. Babasaheb Bhimrao Ambedkar University (A Central University), Lucknow, during 21 - 23 Feb. 2014. (Abstract).

199. Nayaka, S. 2014. Lichen diversity in India and its affinities with other Asian countries. In The 10^th International Mycological Congress (IMC10). Queen Sirikit National Convention Centre (QSNCC), Bangkok, Thailand, during 4 - 8 Aug. 2014. (Abstract).

200. Hembram, T., Bhat, A., Asthana, S. and Nayaka, S. 2014. Diversity and distribution of lichens in IISER-K Campus, Mohanpur, West Bengal. In International Symposium on Biodiversity: Status, Utilization and Impact of Challenging Climatic Conditions. Babasaheb Bhimrao Ambedkar University, Lucknow, during 30-31^st Oct. 2014. (Abstract).

201. Mohabe, S., Devi, A.B., Nayaka, S. and Reddy, M.A. 2014. Diversity of epiphytic lichens in mango orchards near Talakona Jungle Thrills, Chittoor district of Andhra Pradesh. In International Symposium on Biodiversity: Status, Utilization and Impact of Challenging Climatic Conditions. Babasaheb Bhimrao Ambedkar University, Lucknow, during 30-31^st Oct. 2014. (Abstract).

202. Ingle, K.., Nayaka, S., Gupta, S. and Trivedi, S. 2014. Microclimatic factors affecting lichen diversity in coastal wetlands of Sundarbans and Gujarat. In International Symposium on Biodiversity: Status, Utilization and Impact of Challenging Climatic Conditions. Babasaheb Bhimrao Ambedkar University, Lucknow, during 30-31^st Oct. 2014. (Abstract).

203. Devi, A.B., Mohabe, S., Reddy, M.A. and Nayaka, S. 2014. In vitro antimicrobial activity of Parmotrema tinctorum in 2-propanol extract. In International Symposium on Biodiversity: Status, Utilization and Impact of Challenging Climatic Conditions. Babasaheb Bhimrao Ambedkar University, Lucknow, during 30-31^st Oct. 2014. (Abstract).

204. Devraj, G., Swamy, C.T., Devraj, T.N. and Nayaka, S. 2014. Kallu huvu: Deha ondu, jeeva yeradu. Hosatu (Nava Karnatka Prakashana) 15(7): 43-46. (Popular article).

Year 2015

205. Singh, B.N., Prateeksha, Pandey, G., Jadaun, V., Singh, S., Bajpai, R., Nayaka, S., Naqvi, A.H., Rawat, A.K.S., Upreti, S.K. and Singh, B.R. 2015. Development and characterization of a novel Swarna-based herbo-metallic colloidal nano-formulation – inhibitor of Streptococcus mutansquorum sensing. RSC Advances 5(8): 5809-5822.

206. Usmani, M.A., Toppo, K., Nayaka, S., Suseela, M.R. and Sheik, S. 2015. Role of algae in sustainable food, health and nutritional security: An overview. In Biodiversity for sustainable development (International Biodiversity Day for Biological Diversity). Uttar Pradesh State Biodiversity Board, Lucknow, during 22^nd May 2015. Pp. 83-87.

207. Dudani, S.N., Nayaka, S., Mahesh, M.K, Chandra M.D.S. and Ramachandra, T.V. 2015. Lichen Diversity in the Sacred Forest Fragments of Central Western Ghats. Journal of Biodiversit Management & Forestry 4:2. (In Press)

208. Mohabe, S., Nayaka, S., Reddy, M.A.and Devi, A.B. 2015. Diorygma kurnoolensis (Graphidaceae), a new saxicolous lichen species from Andhra Pradesh, India. Geophytology 45(1): 47-50.

209. Mohabe, S., Nayaka, S., Reddy, A.M. and Devi, A.B. 2015. Stigmatochroma microspora (Physciaceae), a new species from India. Journal on New Biological Reports 4(2): 127-131.

210. Devi, A.B, Mohabe, S., Reddy, A.M. and Nayaka, S. 2015. Efficacy of a potential lichen Parmotrema andinum (Müll. Arg.) Hale against pathogenic microorganisms. Journal on New Biological Reports 4(2): 149-156.

211. Devi, A.B., Mohabe, S., Reddy, A.M. and Nayaka, S. 2015. Antimicrobial activities of 2-Propanol crude extract from lichen Parmotrema tinctorum (Despr.ex. Nyl.) Hale, collected from Eastern Ghats, India. Current Research in Environmental & Applied Mycology 5(3): 160–168.

212. Ayyappadasan, G, Sundararaj, J.P., Kuppuraj, S., Ponmurgan, P. and Nayaka, S. 2015. In vitro assessment of antioxidant and antimicrobial activities of different solvent extracts of lichen Ramalina nervulosa. Int. J. Pharmacy and Pharmaceutical Sciences. (In Press)

213. Joshi, Y., Upadhyay, S., Shukla, S., Nayaka, S. and Rawal, R.S. 2015. New records and an updated checklist of lichenicolous fungi from India. Mycosphere 6(2): 195–200.

214. Patel, A.K., Suseela, M.R., Singh, M. and Nayaka, S. 2015. Application of Response Surface Methodology for optimization of Biomass, Carbohydrate and Lipid production in BG11+ by Scenedesmus quadricauda. International Journal of Research in Engineering and Applied Sciences 5(6): 199-215.

215. Upreti, D.K., Bajpai, R. and Nayaka, S. 2015. Lichenology: Current Research in India. In Plant Biology and Biotechnology: Vol. 1, Plant Diversity, Organization, Function and Improvement (Eds. B. Bahdur, M.V. Rajam, L. Sahijram and K.V. Krishnamurthy). Springer India, New Delhi. Pp. 263-280.

216. Nayaka, S. 2015. Lichens in cold desert of India and Antarctica. In National Symposium on Conservation of Nature and Natural Resources. Telangana Students Forum and Biological Resource Persons Association, Surya Chandra Palace School, Wanaparthy, during 21-22nd Jan. 2015. (Abstract).

217. Asthana, S., Nayaka, S. and Ingle, K.K. 2015. Diversity and distribution of lichens in western Uttar Pradesh, India. Fifth International Conference on Plant and Environmental Pollution (ICPEP-5), CSIR-National Botanical Research Institute, Lucknow, during 24-27th Feb. 2015. (Abstract).

218. Nayaka, S. 2015. Advances and further scope in lichenological research in India. National Seminar on Innovative trends in plants and microbial sciences. Department of Botany, University of Jammu, Jammu, during 2-3 March 2015. (Abstract).

219. Nayaka, S. 2015. Current status of lichen diversity and its conservation in Western Ghats. Ecology in Space and Time. An Interdisciplinary Conference on Forest Ecology and Climate Change. Indian Institute of Science, Bangalore, during 8 - 10 April 2015. (Abstract).

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