condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.12888033333333335 0.0 0.386641 Crozier 0.0 0.0 0.0 Rhizome 0.026816366666666664 0.0 0.0804491 Root 2.08177 0.0 3.23081