condition mean min max Sterile Leaflet 0.0 0.0 0.0 Mature Sterile Leaflet 4.8705 0.0 14.6115 Fertile Leaflet with Sori 6.950667 0.590881 17.7633 Petiole 0.38070333333333334 0.0 0.623813 Crozier 0.0 0.0 0.0 Rhizome 3.5545853333333333 0.0 10.4438 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0