condition mean min max Sterile Frond 0.0 0.0 0.0 Fertile Frond 21.600099999999998 0.0 64.8003 Young Stem with Root 0.018008766666666665 0.0 0.0540263 Mature Stem with Root 0.255196 0.174096 0.30214 Root 1.9057327333333334 0.0254182 3.68363