condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.07623766666666666 0.0 0.228713 Mature Stem with Root 4.186189333333333 0.0 12.2814 Root 0.354747 0.0 0.940785