condition mean min max Sterile Frond 2.183058 0.783394 3.46012 Fertile Frond 2.5758666666666667 1.37639 3.73454 Young Stem with Root 2.2166200000000003 1.02755 4.55937 Mature Stem with Root 6.77497 1.59331 15.9871 Root 0.8942173333333334 0.0 1.81682