condition mean min max Sterile Leaflet 3.6639433333333336 3.1947 4.49647 Fertile Leaflet with Sori 4.01599 3.70655 4.38396 Petiole 3.39622 2.36687 4.19091 Rhizome 1.5746433333333334 1.07711 2.17335 Root 1.6436499999999998 1.05812 2.50262