condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 2.0178566666666664 0.0 6.05357 Rhizome 0.48801999999999995 0.0 1.46406 Root 0.08086866666666666 0.0 0.242606