“…1 Museu Nacional, Universidade Federal do Rio de Janeiro, 20940-040, São Cristóvão, RJ, Brazil 2 Universidade Veiga de Almeida, 20271-020, Rio de Janeiro, RJ, Brazil as those performed by Linskens et al (1993), Harmata & Olech (1991), Vergamini et al (2006) and Parnikoza et al (2011) have documented the atmospheric transport of pollen grains; however, they did not analyze matrices of water, snow or ice.…”