condition mean min max Sterile Frond 0.39716 0.0 1.19148 Fertile Frond 1.2031393333333333 0.420038 1.99544 Young Stem with Root 0.3697 0.0 1.1091 Mature Stem with Root 7.306813333333333 2.32 16.3171 Root 2.194125 0.360685 4.12419