condition mean min max Sterile Frond 6.124506666666667 4.51989 8.82367 Fertile Frond 11.42512 3.37696 21.5383 Young Stem with Root 0.73712 0.0 1.17722 Mature Stem with Root 1.4814066666666665 0.0 4.44422 Root 0.0 0.0 0.0