condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.37892333333333333 0.0 1.13677 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.0442899999999997 0.0 6.13287 Root 2.8258733333333335 0.0 8.47762