condition mean min max Sterile Leaflet 0.013238566666666667 0.0 0.0397157 Fertile Leaflet with Sori 0.03110193333333333 0.0 0.0933058 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.173139 0.930227 5.42596 Root 4.8608 2.16395 7.29661