condition mean min max Sterile Frond 0.15254399999999999 0.0 0.457632 Fertile Frond 0.316299 0.0 0.487482 Young Stem with Root 4.161533333333334 0.0 12.4846 Mature Stem with Root 0.3250726666666667 0.0 0.975218 Root 6.7619 0.0 20.2857