condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.6814533333333334 0.0 2.04436 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.5639366666666668 0.0 7.69181 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0