condition mean min max Sterile Leaflet 0.05549233333333334 0.0 0.166477 Fertile Leaflet with Sori 0.2719163333333333 0.0 0.695676 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.234029 0.255377 6.49877 Root 0.0145732 0.0 0.0437196