Nature 176, 22 - 24 (02 July 1955); doi:10.1038/176022b0

Long-Distance Plant Dispersal in the North Polar Regions

NICHOLAS POLUNIN

1. Polunin, Nicholas , Hutiè Congrès International de Botanique, Paris 1954, Rapports et Communications... aux Sections 7 et 8, 170 (1954).
2. Polunin, Nicholas , "Attempted dendrochronological dating of IceIsland T-3" (unpublished paper delivered at A.A.A.S. meetings, Berkeley, California, December 1954).
3. Tiffany, L. H. , in G. M. Smith (ed.), "Manual of Phycology", p. 293 (Waltham, Mass.: Chronica Botanica, 1951).
4. Montgomery, M. R. , Arctic, 5, 183 (1952).