condition mean min max Sterile Frond 3.870744 0.0 11.2161 Fertile Frond 2.8288693333333335 0.0 8.28503 Young Stem with Root 3.2458333333333336 0.0 9.7375 Mature Stem with Root 2.136032 0.0 6.19386 Root 0.0 0.0 0.0