Table 2 ANOVA models testing the influence of season, location and their interaction on element concentrations in H. physodes thalli collected in the Niepołomice Forest.

Ca

F_{1, 14} = 0.034, p = 0.856

F_{14, 14} = 2.212, p = 0.075

F_{12, 14} = 1.631, p = 0.190

Cd

F_{1, 14} = 6.340,p  = 0.025

F_{14, 14} = 2.787,p  = 0.033

F_{12, 14} = 0.558, p = 0.842

Cu

F_{1, 14} = 0.023, p = 0.882

F_{14, 14} = 1.869, p = 0.127

F_{12, 14} = 0.675, p = 0.750

Fe

F_{1, 14} = 1.915, p = 0.188

F_{14, 14} = 0.969, p = 0.523

F_{12, 14} = 0.525, p = 0.865

Hg

F_{1, 15} = 1.151, p = 0.300

F_{14, 15} = 1.129, p = 0.408

F_{13, 15} = 0.287, p = 0.985

Pb

F_{1, 14} = 0.026, p = 0.875

F_{14, 14} = 1.387, p = 0.274

F_{12, 14} = 0.343, p = 0.965

Zn

F_{1, 14} = 0.152, p = 0.703

F_{14, 14} = 5.512,p  = 0.002

F_{12, 14} = 2.397, p = 0.061

S

F_{1, 15} = 18.580,p  = 0.001

F_{14, 15} = 1.529, p = 0.212

F_{13, 15} = 1.121, p = 0.412