condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.244641 0.0 0.733923 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0578618 0.0 0.0898454 Rhizome 0.011844 0.0 0.0179855 Root 4.115136666666666 0.0 8.80319