condition mean min max Sterile Leaflet 4.49015 2.47793 6.18648 Fertile Leaflet with Sori 6.216916666666667 2.02766 12.1006 Petiole 0.084939 0.0 0.254817 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0