condition mean min max Sterile Leaflet 5.819443333333333 0.0 15.0549 Fertile Leaflet with Sori 5.511950666666667 0.233202 14.6704 Primary Rachis 11.161171 0.0 32.7917 Petiole 0.320386 0.0 0.961158 Crozier 0.0 0.0 0.0 Rhizome 0.0 0.0 0.0 Root 0.0 0.0 0.0