condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0061561666666666666 0.0 0.0184685 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.197439 0.0 0.592317 Root 60.30286003333333 0.0568801 163.12