condition mean min max Sterile Frond 8.157869999999999 5.85579 12.5879 Fertile Frond 10.438086666666667 5.47693 18.6156 Young Stem with Root 11.28842 9.56566 13.1468 Mature Stem with Root 8.468213333333333 3.49258 13.5135 Root 7.83899 5.02238 13.2354