condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.1705256666666668 0.0 3.17782 Young Stem with Root 1.20914 0.0 2.06016 Mature Stem with Root 3.3829900000000004 1.87293 4.36169 Root 20.749506 0.837318 42.7893