condition mean min max Sterile Leaflet 0.007825 0.0 0.023475 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.2483833333333334 1.94504 5.24643 Rhizome 1.764806 0.137328 3.6801 Root 0.013166033333333334 0.0 0.0394981