Abstract
No Abstract.References
Awasthi, D.D. (2007): A compendium of the Macrolichens from India, Nepal and Sri Lanka. Bishen Singh Mahendra Pal Singh, Dehradun, pp. 580.
Awasthi, G. (1986): The lichen genus Usnea from India and Nepal. J. Hatton. Bot Lab. 61: 333-421.
Brodo, I.M., S.D. Sharnoff & S. Sharnoff (2001): Lichens of North America. Yale University Press New Haven, pp. 795.
Hale, M.E. (1962): The chemical strains of Usnea strigosa. The Bryologists 65(4): 291-294.
Hue, A.M. (1899): Lichens extra europaei. Nouv. Arch. Mus. Hist. Nat., ser 4,1: 27-220.
Jatta, A. (1911): Lichens Asia meridionalis. Bull. Orto Bot. Univ. Napoli 3: 309-312.
Moreau, M. & Mme Fernaud (1952): Lichens de L’ Inde. Rev. Bryol. Lichenol. 21: 135-143.
Motyka, J. (1936-38): Lichenum Generis Usnea Studium monographicum Pars Syst. Leopoli.
Singh, K.P. & GP. Sinha (1997): Lichens. Pp. 195-234. In: Mudgal, V. and P.K. Hajra (Eds): Floristic diversity and conservation strategies in India, BSI, Calcutta, 1.
Singh, K.P., GP. Sinha & P. Bujarbarua (2004): Endemic lichens of India. Geophytology 33(1&2): 1-16.
Singh, K.P. & G.P. Sinha (2010): Indian lichens an annotated checklist. Published by Government of India. BSI. Dehradun. Pp. 571.