condition mean min max Sterile Leaflet 0.7572522333333334 0.0928137 1.57021 Fertile Leaflet with Sori 0.029036933333333334 0.0 0.0652033 Petiole 0.0 0.0 0.0 Crozier 3.47733 2.43563 4.13343 Rhizome 0.8700543333333334 0.0 2.13294 Root 0.8298500999999999 0.0234599 2.44134