condition mean min max Sterile Frond 0.3713066666666667 0.0 1.11392 Fertile Frond 1.6101139999999998 0.0 4.66771 Young Stem with Root 3.7611000000000003 0.0 11.2833 Mature Stem with Root 0.0 0.0 0.0 Root 4.678434 0.0 13.2278