condition mean min max Sterile Frond 15.6607 10.9041 22.6427 Fertile Frond 27.634600000000002 15.0577 48.1467 Young Stem with Root 48.11723333333333 16.9598 73.8273 Mature Stem with Root 30.273 15.2452 60.2968 Root 34.45666666666666 25.2723 43.5475