condition mean min max Sterile Frond 0.911 0.166656 2.3506 Fertile Frond 1.072246 0.434265 2.10292 Young Stem with Root 2.2221306666666667 0.708332 4.85425 Mature Stem with Root 1.958501 0.547413 3.4812 Root 1.5426440000000001 0.586886 3.22051