condition mean min max Sterile Frond 13.70044 0.0 31.1936 Fertile Frond 16.483463333333333 0.0 40.777 Young Stem with Root 19.700961 0.694153 50.9994 Mature Stem with Root 18.542583333333333 1.86565 29.9477 Root 19.42246 2.19728 45.8707