condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.05471733333333333 0.0 0.164152 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0536449 0.0 0.0868934 Root 2.125652333333333 0.302857 5.04909