condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.4739533333333334 0.0 1.06543 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 2.54415 0.0 6.33331 Root 1.0131240000000001 0.0 2.58171