condition mean min max Sterile Leaflet 0.6828179999999999 0.344804 1.05191 Fertile Leaflet with Sori 3.243596 0.604238 5.33594 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.945584 0.323146 2.16559 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 13.988019999999999 6.16874 25.9135