condition mean min max Sterile Leaflet 3.9335 0.0 11.8005 Fertile Leaflet with Sori 5.923638333333333 0.434725 15.8523 Primary Rachis 0.0 0.0 0.0 Petiole 0.057751 0.0 0.173253 Crozier 7.555506666666666 6.40285 9.3029 Rhizome 0.1051964 0.0 0.227993 Root 0.0 0.0 0.0