condition mean min max Sterile Frond 4.395603100000001 0.0924693 12.3709 Fertile Frond 3.8756630000000003 0.865119 8.80902 Young Stem with Root 3.0383699333333336 0.0980298 6.72097 Mature Stem with Root 1.769304 0.354782 3.50148 Root 1.1268886666666666 0.793753 1.63672