condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 0.660803 0.0 1.13965 Mature Stem with Root 0.6829770000000001 0.0 1.83688 Root 6.240001666666667 0.866305 16.5943