condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.1031532 0.0323269 0.211979 Young Stem with Root 6.63646 0.0 10.6939 Mature Stem with Root 1.7656433333333332 0.315691 4.32621 Root 2.3749466666666668 1.5022 4.0162