condition mean min max Sterile Leaflet 1.0470626666666667 0.726111 1.43328 Fertile Leaflet with Sori 0.929751 0.358323 1.3063 Primary Rachis 0.0 0.0 0.0 Secondary Rachis 0.04351636666666667 0.0 0.0902889 Petiole 0.0039051999999999997 0.0 0.0117156 Crozier 3.111484 0.813172 5.76093 Root 0.24803913333333333 0.0103114 0.508523