The video captures humidity based movements of the Equisetaceae arvense. / Video zachycuje pohyb hapter spor Přesličky rolní.
The experiment was conducted with a very basic school microscope and shot with a smartphone, No need for expensive equipment to record microscopy.
The procedure is as follows:
The spores are placed on a dry microscope glass without covering it with a cover glass. Moisture is than raised on the preparation by breathing on it. This results in the contraction of the elaters.
