condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 8.558033333333332 0.0 25.6741 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 28.917206666666665 3.44112 41.9278 Root 6.177956999999999 0.572854 17.1378