condition mean min max Sterile Leaflet 0.03330556666666667 0.0 0.0999167 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 23.885703666666668 0.120171 68.0802