condition mean min max Sterile Frond 0.38806999999999997 0.0 1.16421 Fertile Frond 0.0 0.0 0.0 Young Stem with Root 2.19334 0.0 6.58002 Mature Stem with Root 1.1464633333333332 0.0 3.04125 Root 8.153133333333333 0.0 24.4594