condition mean min max Sterile Leaflet 4.03448 3.87646 4.14513 Fertile Leaflet with Sori 4.9374899999999995 4.45961 5.40884 Petiole 4.057596666666667 3.77496 4.40068 Crozier 5.0863233333333335 4.58211 5.6337 Rhizome 3.93595 2.76808 5.25974 Root 4.16832 2.95771 5.25081