condition mean min max Sterile Frond 30.374551 0.0 90.6968 Fertile Frond 10.502699999999999 0.0 31.5081 Young Stem with Root 0.07420133333333333 0.0 0.222604 Mature Stem with Root 0.362342 0.0 0.830319 Root 0.0 0.0 0.0