condition mean min max Sterile Leaflet 19.267616666666665 9.35075 33.5331 Fertile Leaflet with Sori 11.072249833333332 0.0828095 30.2532 Petiole 0.469111 0.0 1.2315 Crozier 1.284356 0.0 3.67719 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0