condition mean min max Sterile Leaflet 0.014051233333333335 0.0 0.0421537 Fertile Leaflet with Sori 21.89842833333333 0.162559 65.3325 Primary Rachis 0.026419766666666667 0.0 0.0792593 Secondary Rachis 15.980372000000001 0.0 47.5938 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Root 0.0 0.0 0.0