condition mean min max Sterile Frond 1.98755 0.0 3.50351 Fertile Frond 2.8529566666666666 1.38099 5.44324 Young Stem with Root 1.463522 0.570136 2.54021 Mature Stem with Root 2.26842 0.36243 4.42008 Root 1.1661393333333334 0.444573 2.42545