condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.8502133333333334 0.0 2.55064 Young Stem with Root 0.15407766666666667 0.0 0.462233 Mature Stem with Root 14.238130000000002 0.0 41.6052 Root 1.335002 0.0 3.05922