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 0.063013 0.0 0.189039 Crozier 0.0 0.0 0.0 Rhizome 0.3385473333333333 0.0 0.822382 Root 21.9185 12.9402 35.761