condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.05205233333333333 0.0 0.156157 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 3.548924333333334 0.292103 8.45545