condition mean min max Sterile Frond 5.596946666666667 1.42728 11.7253 Fertile Frond 3.82231 1.45299 7.19503 Young Stem with Root 5.1737166666666665 1.49353 7.83403 Mature Stem with Root 3.84426 1.41986 6.76722 Root 4.9760599999999995 1.80219 11.1749