condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.024808566666666667 0.0 0.0744257 Rhizome 0.0 0.0 0.0 Root 3.77409 0.0 9.37132