Quantum coherence is non-controversial, as it is the necessary condition for binding atoms in a molecule (see <a href="https:&#x2F;&#x2F;johncarlosbaez.wordpress.com&#x2F;2015&#x2F;03&#x2F;13&#x2F;quantum-superposition&#x2F;" rel="nofollow">https:&#x2F;&#x2F;johncarlosbaez.wordpress.com&#x2F;2015&#x2F;03&#x2F;13&#x2F;quantum-supe...</a>). What is controversial, is its spatial range in photosynthesis.