condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 3.29421 2.11704 4.83521 Primary Rachis 0.05898133333333333 0.0 0.176944 Secondary Rachis 0.08342100000000001 0.0 0.250263 Petiole 0.08774166666666666 0.0 0.263225 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0