condition mean min max Sterile Leaflet 1.44635 0.0 4.33905 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 4.111106666666666 0.0 11.1428 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0