condition mean min max Sterile Frond 7.4743933333333334 6.17847 8.13934 Fertile Frond 7.51056 5.40527 9.53597 Young Stem with Root 7.73828 6.83552 9.03603 Mature Stem with Root 9.435423333333333 8.78177 10.6382 Root 6.09011 4.39755 8.61027