condition mean min max Sterile Frond 5.062993333333333 2.99238 9.08876 Fertile Frond 6.87795 3.34629 13.3289 Young Stem with Root 5.37453 1.8816 7.67518 Mature Stem with Root 7.7358899999999995 4.17662 14.0023 Root 3.184381666666667 0.557865 5.4015