[1]
Piwowarczyk, R. 2012. The genus Orobanche L. (Orobanchaceae) in the Małopolska Upland (S Poland): distribution, habitat, host preferences, and taxonomic problems. Biodiversity: Research and Conservation. 26, (Nov. 2012), 3–22. DOI:https://doi.org/10.2478/v10119-012-0009-2.