The Cawthron Institute Culture Collection of Micro‐algae (CICCM) is a unique, nationally and internationally significant collection of 450 strains of approximately 100 micro‐algae and 50 cyanobacteria species, both living and cryopreserved. The collection comprises 13 taxonomic classes and underpins research into the ecology and taxonomy of the isolates and the biotoxins they produce and their toxicity. The CICCM expanded sign...