condition mean min max Sterile Leaflet 5.472355333333334 0.0 15.7293 Fertile Leaflet with Sori 0.7881233333333334 0.0 2.36437 Primary Rachis 1.87464 0.0 5.62392 Petiole 0.0 0.0 0.0 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0