condition mean min max Sterile Frond 0.220932 0.101559 0.338837 Fertile Frond 0.8374663333333333 0.255506 1.8411 Young Stem with Root 7.1634 0.0 21.4902 Mature Stem with Root 1.153902 0.361726 1.98991 Root 6.3238904666666675 0.0771414 16.7586