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https://pubmed.ncbi.nlm.nih.gov/38112982
Two fern species, Equisetum praealtum and E. hyemale, have abundant Rubisco with high turnover rates and low CO2 affinity, similar to C4 plants.
“Fern Species with C4-like Rubisco: Equisetum praealtum and E. hyemale”
