condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 1.0560103333333333 0.0 2.75034 Petiole 0.0 0.0 0.0 Crozier 2.50499 0.0 7.51497 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0