condition mean min max Sterile Leaflet 0.07563399999999999 0.0 0.226902 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.06477666666666666 0.0 0.19433 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 5.360563333333333 0.42225 13.2014