condition mean min max Sterile Leaflet 0.6894223333333334 0.0 1.16477 Fertile Leaflet with Sori 1.82223 0.0 2.98039 Petiole 0.39359833333333333 0.0 0.87053 Crozier 0.0 0.0 0.0 Rhizome 4.35824 0.0 12.0601 Root 10.43567 0.0 23.0403