condition mean min max Sterile Frond 0.35629733333333335 0.0 0.750488 Fertile Frond 3.1351766666666667 0.0 7.89332 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 0.0 0.0 0.0 Root 0.0 0.0 0.0