condition mean min max Sterile Leaflet 0.061292599999999996 0.0 0.121236 Fertile Leaflet with Sori 0.828141 0.594521 1.00123 Petiole 0.0 0.0 0.0 Crozier 4.29871 2.5407 7.68226 Rhizome 0.19339176666666666 0.0175983 0.412973 Root 0.3882249 0.0193107 0.900509