condition mean min max Sterile Leaflet 0.18998700000000002 0.0 0.569961 Fertile Leaflet with Sori 0.05504766666666667 0.0 0.165143 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.137718 0.0 0.413154 Root 2.9613133333333335 2.36081 4.06662