condition mean min max Sterile Frond 1.00631 0.0 3.01893 Fertile Frond 1.12094 0.0 2.68682 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 13.619714666666667 0.0 40.552 Root 1.2249766666666666 0.0 3.67493