plantations of Arnica montana. Inflorescences’ collection was carried out
gradually in a 3-day intervals, from late May to late June. The first flower
heads’ collection was carried out after inflorescences’ full development.
Then flower heads’ diameter (n=60) was determined, and plant's inflorescences
mean calculated . The measurements of plant height, number
of floral stems and heads per 1 plant out of 40 randomly selected plants
of each object were performed. Inflorescences were dried in a drying
chamber at 40 °C immediately after the harvest.