Piwowarczyk R. Orobanche purpurea (Orobanchaceae) in Poland: current distribution, taxonomy, plant communities, and preferred hosts. biorc [Internet]. 2012 Nov. 30 [cited 2025 Jan. 14];26:73-81. Available from: https://pressto.amu.edu.pl/index.php/biorc/article/view/v10119-012-0006-5