condition mean min max Sterile Frond 11.180143333333334 9.34403 12.8584 Fertile Frond 13.878499999999999 10.7391 17.391 Young Stem with Root 17.26236666666667 11.6354 24.3912 Mature Stem with Root 14.2744 12.5432 15.5136 Root 13.5238 11.4345 15.2131