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. 2021 Jan 8;11:617830. doi: 10.3389/fpls.2020.617830

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Copyright © 2021 Jones, Atkinson, Ware, Sturrock, Bishopp and Wells.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Three-dimensional (3D) particle analysis of Spirodela intermedia shows number and volume of each gas space within frond. (A) Render showing internal air spaces of Spirodela intermedia frond colored by individual gas space. (B) Render showing internal air spaces of Spirodela intermedia frond, colored by volume, clipped to reveal variation in volume between inner and outer gas spaces within the frond (green). (C) Frequency histogram showing distribution in volume of gas spaces within Spirodela intermedia frond. Scale bars: 1 mm. Graduated color scale from 4.25 × 10^–7 mm³ to 0.0285 mm³.