condition mean min max Sterile Frond 18.973200000000002 17.2923 20.6308 Fertile Frond 23.1823 19.0628 27.9339 Young Stem with Root 16.698366666666665 16.1561 17.4263 Mature Stem with Root 16.9403 13.9451 21.3159 Root 17.7559 10.1562 22.9566