condition mean min max Sterile Frond 6.8323599999999995 4.66486 8.63966 Fertile Frond 9.33274 6.42817 12.4779 Young Stem with Root 17.439566666666668 10.5804 24.6932 Mature Stem with Root 18.1946 11.6539 26.1726 Root 10.287840000000001 7.30701 15.2963