condition mean min max Sterile Leaflet 3.3500766666666664 1.03007 4.64403 Fertile Leaflet with Sori 0.44115899999999997 0.0 0.993926 Petiole 0.0 0.0 0.0 Crozier 25.90170333333333 4.28121 39.5094 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0