condition mean min max Sterile Frond 14.518640000000001 9.48492 21.9383 Fertile Frond 7.89602 3.34566 13.8588 Young Stem with Root 18.44934 2.31012 32.4967 Mature Stem with Root 2.60756 2.31348 3.06095 Root 3.993596666666667 1.30194 6.73583