condition mean min max Sterile Leaflet 0.059069 0.0 0.177207 Fertile Leaflet with Sori 0.03720766666666667 0.0 0.111623 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 3.49302 2.20696 4.3924 Root 6.77957 5.62786 9.07331