condition mean min max Sterile Leaflet 3.982967333333333 0.818422 9.83054 Fertile Leaflet with Sori 4.279703333333333 1.61278 6.76375 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.303415 0.397163 2.5177 Petiole 0.16572 0.0 0.49716 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0