condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0124419 0.0 0.0373257 Rhizome 0.02776996666666667 0.0 0.0833099 Root 4.01191 1.06991 5.58832