condition mean min max Sterile Leaflet 2.0966566666666666 1.65258 2.53002 Fertile Leaflet with Sori 1.8760766666666666 1.09694 3.29528 Primary Rachis 0.0 0.0 0.0 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