condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 5.9117766666666665 1.82016 9.00718 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.03942146666666667 0.0 0.0874389 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0