condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 0.4811086666666667 0.0 1.07803 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.39067999999999997 0.0 1.17204 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 2.386947666666667 0.725563 3.43926