condition mean min max Sterile Leaflet 0.489387 0.0 1.12222 Fertile Leaflet with Sori 2.922826666666667 1.007 6.45363 Primary Rachis 0.239496 0.0 0.611792 Petiole 0.1144977 0.0 0.257376 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0