condition mean min max Sterile Frond 34.739599999999996 30.9323 37.2039 Fertile Frond 26.76396666666667 25.5853 28.6655 Young Stem with Root 25.527800000000003 18.3362 29.946 Mature Stem with Root 16.9847 12.2777 22.8705 Root 11.600433333333333 10.0052 14.1174