condition mean min max Sterile Leaflet 0.070846 0.0 0.212538 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 Root 3.652354433333333 0.0 10.8814