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 9.401713333333333 0.0 26.652 Stolon 0.0 0.0 0.0 Stolon with Root 0.6370566666666666 0.0 1.19898