condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.0828966666666666 0.0 8.22168 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.4643 0.0 0.739029 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.11761899999999999 0.0 0.352857