condition mean min max Sterile Leaflet 1.9677266666666666 0.7884 2.84262 Fertile Leaflet with Sori 1.810643 0.554599 3.28718 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 1.0447959999999998 0.360382 2.02479 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.19420833333333332 0.0 0.582625