condition mean min max Sterile Frond 0.150403 0.0 0.451209 Fertile Frond 0.16250456666666668 0.0 0.430323 Young Stem with Root 2.41686 1.93759 3.1413 Mature Stem with Root 2.9127566666666667 0.0 6.33803 Root 0.057712599999999996 0.0 0.122359