condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.143341 0.0 0.430023 Rhizome 0.22187400000000002 0.0 0.665622 Root 4.12679 0.0 8.98444