condition mean min max Sterile Frond 21.528066666666668 15.5876 32.5461 Fertile Frond 23.64 17.2435 33.0632 Young Stem with Root 24.042 10.2036 34.5445 Mature Stem with Root 19.0738 14.5582 22.5525 Root 28.241699999999998 18.6484 37.0417