condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 37.62567333333334 0.30872 75.9929 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0