condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.23823233333333332 0.0 0.409803 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 4.3687363333333336 0.481349 10.0502 Root 1.231431 0.269753 1.98539