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 4.246014 0.262042 9.84709 Stolon 0.3421536666666667 0.0 0.70762 Stolon with Root 1.3683863333333333 0.596023 2.58254