condition mean min max Sterile Leaflet 6.17206 2.54932 12.158 Fertile Leaflet with Sori 0.7023619999999999 0.0 1.83828 Petiole 0.0 0.0 0.0 Crozier 3.01868 0.0 9.05604 Rhizome 0.083412 0.0 0.250236 Root 0.2586833333333333 0.0 0.77605