condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.379576 0.0 0.880367 Secondary Rachis 0.0 0.0 0.0 Petiole 0.38021933333333335 0.0 0.853637 Crozier 0.0 0.0 0.0 Root 3.088283333333333 1.04442 6.06262