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 0.05288 0.0 0.15864 Crozier 0.0 0.0 0.0 Rhizome 0.08964066666666666 0.0 0.268922 Root 15.9415 12.14 21.0052