condition mean min max Sterile Leaflet 0.200947 0.0 0.487932 Fertile Leaflet with Sori 7.519641000000001 0.129733 20.3774 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.8573866666666667 0.0 5.57216 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0