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 0.093048 0.0 0.279144 Crozier 0.0 0.0 0.0 Rhizome 1.102715 0.317895 1.56296 Stolon 0.0 0.0 0.0 Stolon with Root 2.631473333333333 0.0 5.32391