condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 4.086311 0.0 12.0282 Petiole 4.6697 0.0 14.0091 Crozier 6.510133333333333 0.0 19.5304 Rhizome 3.8972903333333337 0.0 11.4722 Root 8.686149 0.0 25.5749