condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.020943133333333332 0.0 0.0628294 Crozier 0.019875733333333333 0.0 0.0596272 Rhizome 0.0895059 0.0 0.210854 Root 3.009912 0.106096 5.48742