condition mean min max Sterile Frond 5.781701 0.457013 14.8098 Fertile Frond 12.460035999999999 0.427778 35.5481 Young Stem with Root 0.2137064 0.0 0.60956 Mature Stem with Root 2.7177366666666667 1.04619 5.39981 Root 1.4852053333333333 0.302946 2.7588