condition mean min max Sterile Frond 23.825833333333332 19.621 29.1516 Fertile Frond 25.9396 21.1466 33.1944 Young Stem with Root 25.630333333333333 19.5858 31.6604 Mature Stem with Root 40.2012 25.111 69.9325 Root 28.2231 20.4814 33.6918