condition mean min max Sterile Leaflet 2.965343333333333 0.0 7.65815 Fertile Leaflet with Sori 0.6158629999999999 0.0 1.24613 Primary Rachis 0.4228433333333333 0.0 1.26853 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