condition mean min max Sterile Leaflet 0.0232055 0.0 0.035768 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0365584 0.0 0.0781104 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 2.676388333333333 0.0 7.50287