condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 25.048466666666666 13.7159 38.2597 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.04541393333333334 0.0 0.0797485 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0