condition mean min max Sterile Leaflet 0.020612366666666666 0.0 0.0618371 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 11.222613333333333 8.06084 13.3195 Rhizome 1.696949 0.995047 2.29755 Root 0.3469064 0.0168242 0.805484