condition mean min max Sterile Leaflet 0.2734295 0.0 0.721433 Fertile Leaflet with Sori 6.89112 3.17175 14.281 Petiole 0.4311103333333333 0.102593 0.617719 Crozier 1.0099322 0.0898266 1.71966 Rhizome 0.17195266666666667 0.0 0.258983 Root 0.375044 0.0 0.928855