condition mean min max Sterile Leaflet 3.1329019999999996 0.0 8.5658 Fertile Leaflet with Sori 0.18173799999999998 0.0 0.276327 Primary Rachis 0.14349399999999998 0.0 0.430482 Petiole 0.082746 0.0 0.248238 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0