condition mean min max Sterile Leaflet 7.4739933333333335 0.0 17.0029 Fertile Leaflet with Sori 2.6294779999999998 0.500054 4.88807 Primary Rachis 0.414132 0.0 0.843933 Petiole 0.07689566666666667 0.0 0.230687 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.379278 0.0 0.790696