condition mean min max Sterile Leaflet 3.9747000000000003 0.0 10.9974 Fertile Leaflet with Sori 0.5919976666666666 0.190992 1.2997 Primary Rachis 0.7445596666666666 0.0 2.08077 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0