condition mean min max Sterile Leaflet 0.026160933333333334 0.0 0.0784828 Fertile Leaflet with Sori 2.2548500000000002 0.0 5.33614 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0