LAWESSON, J. NORDIC VEGETATION SURVEY-A STATUS OF PROGRESS AND FUTURE OUTLOOK. Annali di Botanica, [S. l.], v. 3, p. 153–158, 2003. DOI: 10.4462/annbotrm-9202. Disponível em: https://rosa.uniroma1.it/rosa04/annali_di_botanica/article/view/9202. Acesso em: 9 may. 2024.