1 23 Folia Geobotanica Journal of the Institute of Botany, Academy of Sciences of the Czech Republic ISSN 1211-9520 Folia Geobot DOI 10.1007/s12224-011-9113-x Richness and Composition of Vascular Plants and Cryptogams along a High Elevational Gradient on Buddha Mountain, Central Tibet Chitra B. Baniya, Torstein Solhøy, Yngvar Gauslaa & Michael W. Palmer