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 6.18615 0.0 16.9061 Stolon 0.0 0.0 0.0 Stolon with Root 0.2895833333333333 0.0 0.718648