condition mean min max Sterile Leaflet 0.16569066666666668 0.0 0.338148 Fertile Leaflet with Sori 2.264664 0.292982 3.85716 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.110169 0.0 0.172392 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0