condition mean min max Sterile Leaflet 0.093024 0.0 0.279072 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.19133966666666666 0.0 0.290607 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 3.6365733333333337 0.0 10.1902