condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0081714 0.0 0.0245142 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 2.129480733333333 0.0 6.36473 Root 0.25515306666666665 0.0 0.737433