condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 1.11514 0.0 3.34542 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 5.670797 0.323461 9.89691 Root 0.9144297000000001 0.0599301 2.49922