condition mean min max Sterile Frond 32.30023333333333 0.0 96.9007 Fertile Frond 9.948374 0.0 29.5668 Young Stem with Root 25.0508 0.0 53.8876 Mature Stem with Root 6.287476000000001 0.0 18.3517 Root 1.4700366666666669 0.0 4.41011