condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.5795143333333335 0.510227 6.67907 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.5081866666666667 0.0 1.52456 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0