There are many extended versions of the FvCB model. Here is another one, but this time to account for various photorespiratory bypasses (nph.onlinelibrary.wiley.com/doi/10.1111/...)
nph.onlinelibrary.wiley.com
Extending the Farquhar–von Caemmerer–Berry photosynthesis model to account for various photorespiratory bypasses
We extend a widely used C3-photosynthesis model to account for various photorespiratory bypasses, thereby, providing a useful resource and framework that enforces future novel bypass work and scrutin....