condition mean min max Sterile Leaflet 0.061646799999999995 0.0 0.126767 Fertile Leaflet with Sori 0.0 0.0 0.0 Primary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Crozier 0.0168892 0.0 0.0506676 Rhizome 2.0405983333333335 0.300575 4.00511 Root 61.47177333333333 3.80042 91.8193