condition mean min max Sterile Frond 2.2673900000000002 0.0 6.80217 Fertile Frond 0.8256233333333333 0.0 2.47687 Young Stem with Root 0.0 0.0 0.0 Mature Stem with Root 1.3168223333333333 0.0 3.45243 Root 0.0 0.0 0.0