condition mean min max Sterile Leaflet 18.602833333333333 16.7989 21.8186 Fertile Leaflet with Sori 24.48453333333333 21.1331 29.9496 Primary Rachis 27.67 23.4597 30.0102 Petiole 25.093799999999998 18.1113 30.4347 Crozier 19.964333333333332 18.5228 20.8524 Rhizome 24.956799999999998 19.7048 28.7658 Root 17.204439999999998 7.69702 24.0231