condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature 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 0.0 0.0 0.0 Rhizome 3.0311466666666664 0.0 9.09344 Stolon 0.09367199999999999 0.0 0.281016 Stolon with Root 17.0269 12.4736 23.8686