condition mean min max Sterile Leaflet 0.18340163333333334 0.0 0.484895 Fertile Leaflet with Sori 7.073466666666667 6.4724 8.26517 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.18242350000000002 0.0443331 0.444973 Petiole 0.006400866666666667 0.0 0.0192026 Crozier 0.0110776 0.0 0.0332328 Root 0.0874882 0.0168632 0.155147