condition mean min max Sterile Frond 6.732469999999999 5.02715 10.1253 Fertile Frond 2.9206933333333334 1.08472 5.99753 Young Stem with Root 1.28428 0.0 2.75349 Mature Stem with Root 2.22507 0.92097 3.48569 Root 0.194993 0.0 0.400027