condition mean min max Sterile Leaflet 1.119329 0.344945 2.33317 Fertile Leaflet with Sori 12.031476666666666 5.72303 17.0728 Primary Rachis 1.1113363333333335 0.203682 2.4113 Secondary Rachis 2.5940060000000003 0.422798 4.05546 Petiole 0.009472900000000001 0.0 0.0284187 Crozier 0.0 0.0 0.0 Root 0.3729943333333333 0.137983 0.627857