condition mean min max Sterile Frond 4.257487233333333 0.0 12.703 Fertile Frond 5.0984066666666665 0.0 7.68863 Young Stem with Root 0.049637999999999995 0.0 0.148914 Mature Stem with Root 65.67182 0.0 194.709 Root 2.61037 0.0 7.83111