Walking with… Botanist Mark Spencer

A couple of Saturdays ago, I met with the botanist Mark Spencer, at Slade Green railway station in south east London, for a walk across the Crayford Marshes (an area of grazing marsh near to Erith) down to the River Thames. I had heard Mark talking about his work on Radio 4’s The Life ScientificContinue reading “Walking with… Botanist Mark Spencer”