condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.11266733333333334 0.0 0.338002 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.1390233333333333 2.02397 3.9259 Rhizome 0.85112 0.0 1.42095 Root 0.123392 0.0 0.370176