condition mean min max Sterile Leaflet 0.385646 0.21896 0.569423 Fertile Leaflet with Sori 1.49315 1.26666 1.78306 Primary Rachis 0.0 0.0 0.0 Petiole 0.06898900000000001 0.0 0.206967 Crozier 10.64959 8.93855 13.6397 Rhizome 9.0334 3.6 12.5406 Root 0.075375 0.0 0.226125