condition mean min max Sterile Leaflet 0.099809 0.0 0.299427 Fertile Leaflet with Sori 3.502792 0.294391 9.91906 Primary Rachis 0.193012 0.0 0.579036 Secondary Rachis 0.0 0.0 0.0 Petiole 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.263434 0.0 0.790302