condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0230069 0.0 0.0371409 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.15899583333333334 0.0 0.412907 Root 4.253577333333333 0.833052 10.4772