Additional files [RJEE Vol. 9 (3). 2024 – 3]

• Fig. 1. The proportion of different ecological-cenotic groups of species in the flora of black alder forests of Alnetea glutinosae class
• Fig. 2. Spectrum of geoelements and polyzonal groups of black alder forests of the Alnetea glutinosae class. Geoelement: B – boreal; Bs – subboreal; N – nemoral; P – pluriregional; Js – southern Siberian. Polyzonal group: Pct – submediterranean-temperate; Pcb – submediterranean-boreal; Pzt – mediterranean-temperate; Pca – submediterranean-arctic; Pzb – mediterranean-boreal; Tb – temperate-boreal