condition mean min max Sterile Frond 18.8609 14.634 25.8308 Fertile Frond 16.863166666666668 16.1823 17.9649 Young Stem with Root 8.761313333333334 6.80717 10.2851 Mature Stem with Root 10.01477 4.92881 16.9356 Root 2.885102 0.864466 4.61141