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 8.085824333333333 0.143203 22.6837 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0