condition mean min max Sterile Leaflet 0.38658666666666663 0.0 1.15976 Fertile Leaflet with Sori 0.4713463333333333 0.0 0.712039 Primary Rachis 1.89308 0.0 5.67924 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