condition mean min max Sterile Frond 4.801876666666667 0.0 13.1826 Fertile Frond 0.7937890000000001 0.0 1.90508 Young Stem with Root 0.71806 0.0 1.37944 Mature Stem with Root 4.759628 0.791194 9.56068 Root 1.4182733333333335 0.0 2.58327