condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.4269536666666667 0.0 0.692739 Secondary Rachis 0.09434100000000001 0.0 0.283023 Petiole 0.190975 0.0 0.572925 Crozier 0.0 0.0 0.0 Root 5.002086666666667 1.4065 10.3697