condition mean min max Sterile Leaflet 5.297503333333333 0.0 10.8236 Fertile Leaflet with Sori 2.030506 0.446898 4.46507 Primary Rachis 0.9002866666666667 0.135294 2.18366 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0