condition mean min max Sterile Leaflet 3.97219 2.61972 6.57402 Fertile Leaflet with Sori 1.1395066666666667 0.81286 1.33094 Primary Rachis 0.7315366666666666 0.0 1.12251 Secondary Rachis 1.8064490000000002 0.0 5.24692 Petiole 0.154842 0.0 0.464526 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0