condition mean min max Sterile Frond 7.32723 1.35079 10.3261 Fertile Frond 11.994713333333333 5.57174 17.6416 Young Stem with Root 12.92764 6.19632 17.7456 Mature Stem with Root 17.645096666666667 9.27999 24.6849 Root 12.9027 11.1867 15.1488