condition mean min max Sterile Leaflet 0.093346 0.0 0.280038 Fertile Leaflet with Sori 0.25981699999999996 0.0 0.514435 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 1.5457036666666666 0.163351 2.43234 Rhizome 0.229677536189 0.0 0.689032 Root 16.633 10.4718 20.0016