condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.05510399999999999 0.0 0.165312 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.7240233333333332 0.0 8.17207 Root 0.10506133333333334 0.0 0.315184