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. 2016 Feb 8;67(10):3109–3121. doi: 10.1093/jxb/erv555

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© The Author 2016. Published by Oxford University Press on behalf of the Society for Experimental Biology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited.

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Fig. 3. — Concurrent measurements of (a, d) CO₂ assimilation rate, A, (b, e) carbon isotope discrimination, Δ, and (c, f) the ratio of intercellular to ambient CO₂, C _i/C _a, as a function of intercellular CO₂ (C _i) in F. pringlei, F. floridana, F. brownii and F. bidentis. Values represent averages and standard error of 4 replicates. Measurements were made at 19 mbar O₂, a leaf temperature of 25°C and an irradiance of 1500 μmol m⁻²s⁻¹.