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 0.0 0.0 0.0 Crozier 0.585577 0.0 1.0134 Rhizome 0.4401466666666667 0.0 1.32044 Root 17.550833333333333 0.0 30.5434