condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 6.81971 0.0 15.0192 Petiole 3.6729600000000002 0.0 6.73763 Crozier 1.50345 0.0 4.51035 Rhizome 1.9807633333333332 0.0 3.55098 Root 1.503924 0.310562 2.15856