condition mean min max Sterile Frond 2.165028 0.300444 4.61362 Fertile Frond 2.3762033333333332 0.0 7.12861 Young Stem with Root 1.3352026666666668 0.329288 2.63293 Mature Stem with Root 0.936324 0.296663 1.86274 Root 0.96814 0.0 2.90442