Dynamics of germination of Lepidium sativum seeds under exposure to the extracts from the herbs with a different life strategy: box – 1 and 3 quartile, a line in the center of the box – median, error bars – minimum and maximum value, point – mean, error bars (thin line) – standard deviation; here and after: K – control (distillated water), S.c. – Solidago canadensis, F.u. – Filipendula ulmaria, Ch.a. – Chamaenerion angustifolium, C.s. – Cirsium setosum, P.p. – Poapratensis.