HELLER, Krzysztof. „Flax specialists” – weed species extinct in Poland ?. Plant Breeding and Seed Science, [S. l.], v. 61, p. 35–40, 2010. Disponível em: http://ojs.ihar.edu.pl/index.php/pbss/article/view/582. Acesso em: 6 apr. 2025.