Reference

Tamara Malinová, Jakub Tesitel, Milan Stech, Miroslava Herbstová (2008): The Melampyrum sylvaticum group in Central Europe-comparison among variation patterns in the Alps, Carpathians and Hercynian Massif – Sauteria-Schriftenreihe f. systematische Botanik, Floristik u. Geobotanik – 16: 263 - 264.