condition mean min max Sterile Leaflet 1.1885933333333334 0.0 1.93847 Fertile Leaflet with Sori 0.306052 0.0 0.754721 Petiole 0.0 0.0 0.0 Crozier 8.39337 6.96783 10.9106 Rhizome 2.08835 0.10505 3.51826 Root 2.127543333333333 0.0 5.11644