condition mean min max Sterile Leaflet 2.7214133333333335 1.96443 3.19132 Fertile Leaflet with Sori 1.2864499999999999 0.42369 1.72092 Primary Rachis 0.9011966666666668 0.0 2.70359 Petiole 0.939055 0.402979 1.68452 Crozier 2.991981 0.430023 5.27178 Rhizome 2.5388319999999998 0.446456 4.17474 Root 1.9863 0.0 4.54538