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 2.34973 0.0 7.04919 Stolon 0.0 0.0 0.0 Stolon with Root 25.004266666666666 14.7325 45.0914