condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.024139999999999998 0.0 0.07242 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.028393699999999997 0.0 0.0851811 Root 3.4002023333333335 0.0 10.0082