condition mean min max Sterile Frond 2.831477666666667 0.670873 5.39229 Fertile Frond 2.74133 2.35833 3.042 Young Stem with Root 2.30707 1.24419 4.16901 Mature Stem with Root 1.7422933333333335 0.0 3.52626 Root 2.01321 1.22498 2.65515