condition mean min max Sterile Frond 0.45565733333333336 0.0 0.941613 Fertile Frond 1.2700500000000001 0.0 3.81015 Young Stem with Root 7.49393 0.0 13.1706 Mature Stem with Root 0.46732899999999994 0.0 1.00639 Root 0.43054666666666663 0.0 1.29164