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 13.859796666666668 4.55061 27.5558 Rhizome 0.5616766666666667 0.0 1.68503 Root 0.0096758 0.0 0.0290274