condition mean min max Sterile Frond 0.04468666666666667 0.0 0.13406 Fertile Frond 0.061519700000000004 0.0 0.0957793 Young Stem with Root 0.111357 0.0 0.334071 Mature Stem with Root 0.612277 0.0 1.4391 Root 4.8841489 0.0479267 12.5977