condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.197069 0.0 0.365037 Secondary Rachis 0.13764163333333332 0.0 0.314459 Petiole 0.15760216666666665 0.0422081 0.367517 Crozier 2.08818 1.30573 2.76572 Root 2.119141 0.995683 3.4022