condition mean min max Sterile Frond 1.140227 0.366491 2.55695 Fertile Frond 1.683384 0.385982 3.26727 Young Stem with Root 5.007486666666667 2.7898 8.58824 Mature Stem with Root 7.200036666666667 3.75503 10.9518 Root 7.88065 2.9491 14.4825