condition mean min max Sterile Leaflet 1.9663233333333334 0.0 5.89897 Mature Sterile Leaflet 4.343523333333334 0.0 7.16839 Fertile Leaflet with Sori 2.1938266666666664 0.0 5.09777 Petiole 3.0125499999999996 0.0 9.03765 Crozier 3.17098 0.0 9.51294 Rhizome 0.0 0.0 0.0 Stolon 0.0 0.0 0.0 Stolon with Root 0.0 0.0 0.0