condition mean min max Sterile Leaflet 2.0491846666666667 0.729794 4.30079 Fertile Leaflet with Sori 1.287291 0.706223 2.09262 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.15623266666666666 0.0 0.468698