condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.03234576666666667 0.0 0.0970373 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.1566745 0.0 0.397465 Root 2.7700823333333333 0.848037 4.52061