condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0141304 0.0 0.0423912 Rhizome 0.013807466666666665 0.0 0.0414224 Root 2.8858966666666666 1.45199 4.25322