condition mean min max Sterile Leaflet 2.09413 1.20654 2.99943 Fertile Leaflet with Sori 1.6509133333333335 0.72566 2.83739 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 2.6866973333333335 0.817322 5.36835 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0