condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.04267166666666666 0.0 0.128015 Mature Stem with Root 0.29767533333333335 0.0 0.893026 Root 9.479899999999999 0.0 28.4397