condition mean min max Sterile Frond 1.3799759999999999 0.0 3.80447 Fertile Frond 39.482641 0.0 118.069 Young Stem with Root 16.269856 0.0 48.5259 Mature Stem with Root 8.354356666666666 0.0 23.5495 Root 5.887669 0.0 17.1618