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 2.177836666666667 0.0 5.51598 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0