condition mean min max Sterile Frond 1.7482866666666668 1.02303 2.77454 Fertile Frond 7.89363 5.24423 10.747 Young Stem with Root 11.104313333333334 2.67124 19.7026 Mature Stem with Root 5.55345 2.28338 9.49953 Root 0.778313 0.451313 1.26868