condition mean min max Sterile Leaflet 15.544 10.6169 20.6709 Fertile Leaflet with Sori 24.8722 23.8588 25.6805 Petiole 22.6318 16.3374 25.9095 Crozier 24.5793 21.1894 26.9985 Rhizome 17.395599999999998 11.5384 24.4608 Root 16.177423333333333 9.80497 26.5265