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 0.32295266666666667 0.208745 0.392346 Rhizome 5.43257 1.2904 8.07356 Stolon 3.77439 2.02912 5.22947 Stolon with Root 16.85673333333333 11.3266 23.3115