condition mean min max Sterile Leaflet 0.13642366666666667 0.0 0.278533 Fertile Leaflet with Sori 4.537923 0.0 13.0084 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.38275 0.0 4.14825 Petiole 0.17179999999999998 0.0 0.5154 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0