condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 0.150247 0.0 0.450741 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.072906 0.0 0.218718 Crozier 0.0 0.0 0.0 Rhizome 2.03375 0.0 4.94681 Stolon 0.0 0.0 0.0 Stolon with Root 0.42241466666666666 0.0 0.766046