condition mean min max Sterile Leaflet 0.1690753 0.0969679 0.304916 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 1.51744 0.96857 2.51272 Rhizome 0.19620433333333334 0.0 0.304779 Root 13.86258 1.89084 22.5624