condition mean min max Sterile Leaflet 0.0 0.0 0.0 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 0.326639 0.0 0.570954 Crozier 6.37621 3.1738 9.3701 Root 0.436987 0.0 0.690744