condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.1452333333333335 0.0 9.4357 Primary Rachis 0.15301 0.0 0.45903 Secondary Rachis 1.94266 0.0 5.82798 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0