condition mean min max Sterile Leaflet 0.021901133333333333 0.0 0.0657034 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.192488 0.0 0.577464 Root 8.366389999999999 2.09933 19.2062