condition mean min max Sterile Leaflet 0.530565 0.0 0.977382 Fertile Leaflet with Sori 0.698903 0.0 1.80318 Petiole 0.33415333333333336 0.0 0.686334 Crozier 3.1774660000000003 0.585154 8.319 Rhizome 0.370356 0.0 0.559589 Root 0.0 0.0 0.0