condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.28418 0.0 6.85254 Fertile Leaflet with Sori 0.3684707 0.0319931 0.661752 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