condition mean min max Sterile Leaflet 2.037123333333333 0.0 4.65292 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 5.44079 0.0 12.5302 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