condition mean min max Sterile Leaflet 0.7271839999999999 0.598046 0.951141 Fertile Leaflet with Sori 0.5774773333333334 0.286373 1.14138 Petiole 0.0 0.0 0.0 Crozier 2.877962 0.305286 7.47487 Rhizome 1.007707 0.296941 1.65334 Root 1.1570366666666667 0.31353 1.7576