condition mean min max Sterile Frond 0.488729 0.0 1.36013 Fertile Frond 3.11512 1.90239 4.21122 Young Stem with Root 4.5603 3.10412 6.03163 Mature Stem with Root 5.245363333333334 1.62319 11.4365 Root 19.10504333333333 3.37518 46.1487