condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.53907 0.0 1.61721 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 3.9947660000000003 0.309708 6.85763 Root 0.47127413333333334 0.0 1.38514