condition mean min max Sterile Leaflet 0.362942 0.0 0.829218 Fertile Leaflet with Sori 1.085845 0.0 3.01261 Petiole 1.5673843333333333 0.0 4.14582 Crozier 10.867279333333334 0.298668 31.2729 Rhizome 12.659943 0.115497 37.4035 Root 6.907963333333333 1.28209 17.7107