condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.08537299999999999 0.0 0.256119 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 6.1726 0.0 18.5178 Root 4.4737 0.0 13.4211