condition mean min max Sterile Leaflet 2.067323 0.111569 3.06369 Fertile Leaflet with Sori 0.042707999999999996 0.0 0.128124 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.12729400000000002 0.0 0.264803 Rhizome 0.0 0.0 0.0 Root 0.745066 0.132766 1.65547