condition mean min max Sterile Frond 10.096536666666667 1.49882 22.0726 Fertile Frond 4.78089 1.92593 9.14011 Young Stem with Root 2.3802459999999996 0.750448 4.669 Mature Stem with Root 1.448461 0.805123 2.38298 Root 9.662175666666666 0.470917 23.1838