condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 2.644289666666667 0.677473 6.26147 Petiole 0.0 0.0 0.0 Crozier 3.0506866666666665 0.0 7.73895 Rhizome 0.10499700000000001 0.0 0.314991 Root 0.0 0.0 0.0