condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.521723 0.0 1.31312 Young Stem with Root 1.8676000000000001 0.0 5.6028 Mature Stem with Root 0.22157533333333332 0.0 0.43327 Root 2.2921033333333334 0.0 6.87631