condition mean min max Sterile Frond 2.8304300000000002 2.1319 3.98755 Fertile Frond 4.7453666666666665 3.66894 5.69192 Young Stem with Root 8.169983333333334 5.70884 11.4946 Mature Stem with Root 5.75352 4.22027 6.5309 Root 1.78153 1.04445 2.33429