condition mean min max Sterile Frond 4.68017 0.0 10.3518 Fertile Frond 2.1017183333333334 0.690495 4.16313 Young Stem with Root 1.8797570000000001 0.0 5.13123 Mature Stem with Root 2.150088333333333 0.0 6.1613 Root 0.83786 0.0 2.51358