condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.2497933333333333 0.47269 3.30007 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.279738 0.0 0.563739 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.10209666666666667 0.0 0.30629