condition mean min max Sterile Frond 3.942044333333333 0.0 11.4804 Fertile Frond 3.1835799999999996 0.0 9.55074 Young Stem with Root 1.5384653333333334 0.0 4.49357 Mature Stem with Root 0.424216 0.121024 0.856347 Root 0.972333 0.0 2.68576