condition mean min max Sterile Leaflet 7.799806666666666 1.59632 11.4971 Fertile Leaflet with Sori 6.127009999999999 3.25455 8.02118 Primary Rachis 0.08496216666666667 0.0198677 0.19488 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