Margaret Trevana Martin (1905-2000) was a British botanist and phycologist noted for identifying several species of South African Rhodophyceae.
[1] She worked at University College of North Wales, Bangor.
Martin was a co-founder of the British Phycological Society with her friend and fellow phycologist Kathleen Mary Drew-Baker[3] and later served as Vice President of the organisation.
[4][5] Her collection of algal specimens is house in the herbarium of the National Museum of Wales in Cardiff.
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