condition mean min max Sterile Frond 0.233871 0.0 0.460078 Fertile Frond 0.18093666666666666 0.0 0.54281 Young Stem with Root 5.240092 0.0 15.0313 Mature Stem with Root 0.66405 0.0 1.99215 Root 3.93044 1.25851 9.14214