condition mean min max Sterile Frond 0.12190733333333333 0.0 0.365722 Fertile Frond 15.384889999999999 3.89367 36.5235 Young Stem with Root 20.746916666666667 1.14275 45.2394 Mature Stem with Root 2.91659 2.72871 3.01693 Root 0.0 0.0 0.0