condition mean min max Sterile Frond 1.6347863333333335 0.105049 4.2601 Fertile Frond 1.5722373333333333 0.736152 1.99295 Young Stem with Root 13.791220000000001 7.40676 22.8261 Mature Stem with Root 5.36927 3.12613 8.76861 Root 4.30225 1.62299 9.12235