condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 2.578046666666667 0.0 7.73414 Fertile Leaflet with Sori 1.6318529 0.0626887 3.43791 Petiole 0.03641966666666666 0.0 0.109259 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