condition mean min max Sterile Leaflet 0.0318121 0.0 0.0954363 Fertile Leaflet with Sori 6.57142 3.05934 10.1973 Primary Rachis 0.0228127 0.0 0.0684381 Secondary Rachis 0.013833400000000001 0.0 0.0415002 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0