condition mean min max Sterile Leaflet 0.961754 0.0 1.90788 Fertile Leaflet with Sori 3.3834353333333334 0.958046 7.08855 Petiole 3.512702 0.864646 8.40896 Crozier 1.00976 0.0 1.88473 Rhizome 0.857266 0.0 1.65444 Root 1.31287 0.0 2.40954