condition mean min max Sterile Frond 9.645993333333333 2.43839 17.9204 Fertile Frond 8.44325 3.68839 13.8442 Young Stem with Root 8.51312 3.88984 15.6176 Mature Stem with Root 5.2717133333333335 4.09306 6.46486 Root 4.185365 0.720075 8.49737