condition mean min max Sterile Frond 0.721785 0.307393 1.16784 Fertile Frond 1.2037326666666668 0.0 3.26595 Young Stem with Root 6.294433333333333 0.0 18.8833 Mature Stem with Root 0.6742499999999999 0.0 2.02275 Root 12.103696 0.314198 32.4403