condition mean min max 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 0.029983933333333334 0.0 0.0899518 Rhizome 0.027441466666666667 0.0 0.0823244 Root 2.0951299999999997 0.0 6.28539