condition mean min max Sterile Leaflet 1.96009 1.77898 2.05808 Fertile Leaflet with Sori 4.73371 1.73567 7.72762 Primary Rachis 0.4058343333333333 0.259244 0.496254 Petiole 0.262618 0.0 0.638443 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0