condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.24928 0.0 4.93301 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.14135433333333333 0.0 0.424063 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.07731500000000001 0.0 0.231945