condition mean min max Sterile Frond 0.0876015 0.0 0.220377 Fertile Frond 0.15720099999999998 0.0 0.367372 Young Stem with Root 7.539755666666666 0.450526 21.4712 Mature Stem with Root 7.56475 5.52074 9.14076 Root 3.39632 1.5695 5.61588