condition mean min max Sterile Frond 0.3271406666666667 0.0 0.981422 Fertile Frond 1.8217316666666667 0.0 5.13457 Young Stem with Root 0.391231 0.0 0.726613 Mature Stem with Root 2.24582 1.59888 2.90263 Root 7.620723000000001 0.708139 20.7357