Fig. 4

PCA showing overall relationships between microbial communities and diversity indices in analyzed bacterial (on the top) and fungal (at the bottom) samples of immature stigmas Orobanche lutea from closed flowers (IM1, IM2, IM3) (green) and mature stigmas from opened flowers (MA1, MA2, MA3) (orange) from polluted (PO) (squares) and unpolluted areas (UPO) (dots).