condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 1.791297 0.987981 3.29384 Petiole 0.9421233333333333 0.0 2.82637 Crozier 0.0 0.0 0.0 Rhizome 0.8126909999999999 0.075213 1.31906 Root 4.292713666666667 0.999291 6.19492