condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.0708133333333334 0.0 2.75216 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.260341 0.0 0.781023 Root 4.564186666666667 1.03622 7.61738