condition mean min max Sterile Leaflet 2.615617766666667 0.0853113 6.86483 Fertile Leaflet with Sori 3.65002 0.0 9.22049 Primary Rachis 0.029147533333333333 0.0 0.0874426 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0