Table 1.

Characteristics of the six studied plant species.

Common name	Scientific name	Family	Life form
Winter jasmine	Jasminum nudiflorum	Oleaceae	Deciduous broadleaved shrub
Golden-bell	Forsythia suspensa	Oleaceae	Deciduous broadleaved shrub
Linden arrowwood	Viburnum dilatatum	Caprifoliaceae	Deciduous broadleaved shrub
Lilytree	Yulania denudata	Magnoliaceae	Deciduous broadleaved tree
Yoshino cherry	Cerasus yedoensis	Rosaceae	Deciduous broadleaved tree
Wild peach	Amygdalus davidiana	Rosaceae	Deciduous broadleaved tree