condition mean min max Sterile Frond 8.203116666666666 4.25848 10.7013 Fertile Frond 9.818620000000001 5.80254 16.3073 Young Stem with Root 10.011756666666667 7.89287 11.1014 Mature Stem with Root 7.6843900000000005 4.60721 9.74632 Root 8.39907 5.77088 11.9219