condition mean min max Sterile Leaflet 0.4759333333333333 0.0 1.4278 Fertile Leaflet with Sori 2.9112393333333335 0.261708 5.62272 Petiole 0.0 0.0 0.0 Crozier 0.27503 0.0 0.510245 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0