condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.814636 0.0 7.50206 Primary Rachis 0.019431233333333332 0.0 0.0582937 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.008051966666666667 0.0 0.0241559 Root 0.0 0.0 0.0