condition mean min max Sterile Leaflet 0.058652666666666665 0.0 0.175958 Fertile Leaflet with Sori 0.34287933333333337 0.0 0.907564 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.379108 0.470434 10.2518