condition mean min max Sterile Frond 5.216315 0.663425 12.2201 Fertile Frond 3.06197 1.41644 5.55149 Young Stem with Root 9.592443333333334 6.18189 14.1705 Mature Stem with Root 14.01829 1.55267 27.6843 Root 0.14711833333333332 0.0 0.262018