condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.050017 0.0 0.150051 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.330909999999999 0.0 10.5926 Root 0.18031833333333333 0.0 0.540955