condition mean min max Sterile Leaflet 1.8415966666666668 1.06024 2.78043 Fertile Leaflet with Sori 1.150863 0.379869 1.5434 Primary Rachis 0.9011586666666667 0.620376 1.31325 Petiole 0.691049 0.0 1.42807 Crozier 2.5106100000000002 1.33901 3.1259 Rhizome 0.9963559999999999 0.0 2.08017 Root 0.097076 0.0 0.291228