condition mean min max Sterile Frond 1.7679980000000002 0.223652 4.35946 Fertile Frond 6.62258 1.76087 14.7336 Young Stem with Root 25.8714781 0.0 77.5631 Mature Stem with Root 9.970036666666667 2.17694 18.2395 Root 26.724913333333333 1.59234 46.6972