SZKUDLARZ, Piotr. Taxonomy of South African ericas (Erica L.) and differentiation of their seeds. Biodiversity: Research and Conservation, [S. l.], n. 1-2, p. 25–30, 2006. DOI: 10.14746/biorc.2006.1-2.6. Disponível em: https://pressto.amu.edu.pl/index.php/biorc/article/view/40946. Acesso em: 19 jan. 2026.