condition mean min max Sterile Leaflet 7.889333333333333 4.93874 11.7447 Fertile Leaflet with Sori 9.23649 6.24767 12.3907 Primary Rachis 0.8658086666666667 0.266486 1.16893 Petiole 0.068828 0.0 0.206484 Crozier 1.9428020000000001 0.395366 4.2601 Rhizome 0.0197309 0.0 0.0591927 Root 0.0 0.0 0.0