condition mean min max Sterile Leaflet 2.120286666666667 1.58721 2.79072 Fertile Leaflet with Sori 3.8303696666666665 0.486979 8.28478 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 4.510244999999999 0.566825 9.29943 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0