Morphological variation in the Melampyrum sylvaticum group within the transitional zone between Malampyrum sylvaticum s. str. and Melampyrum herbichii - Těšitel, Jakub (Jihočeská univerzita, 2007)
Morphological variation in the Melampyrum sylvaticum group within the transitional zone between Malampyrum sylvaticum s. str. and Melampyrum herbichii