condition mean min max Sterile Leaflet 4.902393333333333 2.27877 10.1176 Fertile Leaflet with Sori 2.1120093 0.0780679 3.2719 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.22245320000000002 0.0622116 0.471337 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0244848 0.0 0.0734544