condition mean min max Sterile Frond 1.7865320000000002 0.0 4.82394 Fertile Frond 0.910577 0.0 2.12992 Young Stem with Root 0.222827 0.0 0.668481 Mature Stem with Root 1.39826 0.0 2.54006 Root 0.0 0.0 0.0