condition mean min max Sterile Leaflet 0.1177232 0.0 0.265167 Fertile Leaflet with Sori 2.0377183333333333 0.543075 4.029 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.08876086666666666 0.0 0.182306 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0