condition mean min max Sterile Leaflet 16.607836666666664 7.32099 34.547 Fertile Leaflet with Sori 12.475793333333334 6.08188 17.2558 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.056359 0.0 0.169077 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0