condition mean min max Sterile Frond 38.95693333333333 30.3526 55.7992 Fertile Frond 38.6724 30.3452 52.2267 Young Stem with Root 43.6336 23.4823 54.6054 Mature Stem with Root 42.03276666666667 32.8687 49.0668 Root 31.086000000000002 24.4356 43.6388