condition mean min max Sterile Leaflet 2.3313466666666667 0.0 5.49286 Fertile Leaflet with Sori 0.7892600000000001 0.0 2.36778 Primary Rachis 2.230683 0.0 6.47498 Petiole 0.20962066666666668 0.0 0.628862 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0