condition mean min max Sterile Leaflet 2.9364866666666667 0.36196 7.12711 Fertile Leaflet with Sori 1.39016 1.00006 1.77619 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.234417 0.0 0.703251