condition mean min max Sterile Leaflet 0.0 0.0 0.0 Fertile Leaflet with Sori 12.980300000000002 0.0 21.8119 Petiole 4.49143 0.0 7.03492 Crozier 5.822466666666667 0.0 17.4674 Rhizome 3.03311 0.0 7.46119 Root 2.524103333333333 0.0 6.36754