condition mean min max Sterile Leaflet 13.344566666666667 0.0 40.0337 Fertile Leaflet with Sori 0.13321166666666667 0.0 0.399635 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.035776999999999996 0.0 0.107331 Root 0.0 0.0 0.0