condition mean min max Sterile Leaflet 2.591206666666667 0.0 7.77362 Fertile Leaflet with Sori 0.8704466666666667 0.0 2.61134 Primary Rachis 0.45363 0.0 1.36089 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