condition mean min max Sterile Frond 5.994893633333334 0.0 17.9286 Fertile Frond 6.34009 1.6222 11.4221 Young Stem with Root 4.197816666666666 2.70377 6.76135 Mature Stem with Root 5.82284 3.97436 9.13355 Root 30.12256 4.85238 64.0341