Bzdon, G. and Ciosek, M.T. 2006. Fen orchid Liparis loeselii (L.) Rich. in abandoned gravel-pit in Dąbrówka Stany near Siedlce (Poland). Biodiversity: Research and Conservation. 1-2 (Jun. 2006), 193–195. DOI:https://doi.org/10.14746/biorc.2006.1-2.40.