condition mean min max Sterile Leaflet 0.288736 0.0 0.574773 Fertile Leaflet with Sori 3.1024556666666667 0.350297 5.69329 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