condition mean min max Sterile Frond 0.142365 0.0 0.427095 Fertile Frond 0.6528851 0.0 1.86138 Young Stem with Root 7.181516 0.434381 20.4573 Mature Stem with Root 6.352293 0.112379 17.2937 Root 6.4203133333333335 1.00383 15.7514