condition mean min max Sterile Leaflet 0.30505766666666667 0.0 0.915173 Fertile Leaflet with Sori 1.7896233333333333 0.0 3.51646 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 3.0785869999999997 0.0 9.00945 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0