condition mean min max Sterile Leaflet 1.6928166666666666 0.0 5.07845 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 5.75379 4.08237 6.74159 Rhizome 0.0 0.0 0.0 Root 0.80491 0.0 1.26482