condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.6315000000000001 0.0 1.8945 Rhizome 9.585946666666667 3.26764 14.9547 Root 0.0 0.0 0.0