condition mean min max Sterile Frond 20.107 18.1695 21.6155 Fertile Frond 15.240499999999999 12.2014 19.3399 Young Stem with Root 7.22609 6.46425 7.86539 Mature Stem with Root 9.61551 4.78253 12.7843 Root 3.58265 2.35161 4.94833