condition mean min max Sterile Leaflet 4.010106666666667 0.0 10.9478 Fertile Leaflet with Sori 0.17982833333333334 0.0 0.539485 Primary Rachis 1.39796 0.0 4.19388 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0