condition mean min max Sterile Frond 5.105504666666667 0.820764 12.7164 Fertile Frond 2.002558 0.782394 3.89881 Young Stem with Root 2.19297 0.0 6.57891 Mature Stem with Root 2.431178 0.365635 6.41057 Root 2.6448066666666668 0.245508 7.18533