condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 0.42232000000000003 0.0 1.26696 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 5.036766666666667 0.0 15.1103 Root 2.0370166666666667 0.0 6.11105