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 0.0 0.0 0.0 Crozier 0.06377566666666666 0.0 0.191327 Rhizome 0.20852866666666667 0.0 0.625586 Root 4.557489 0.130125 13.2896