condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 1.94715 0.0 5.84145 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 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0