condition mean min max Sterile Leaflet 0.05185733333333333 0.0 0.0787412 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 10.67939 2.00592 22.331 Root 0.0 0.0 0.0