condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.5826666666666664 0.0 10.748 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.544383333333333 0.0 7.63315 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0