Harold_Roy_Fletcher
Harold Fletcher (botanist)
English botanist and horticulturalist
Harold Roy Fletcher, FRSE (14 April 1907 – 27 August 1978) was an English botanist and horticulturist. He was Regius Keeper of the Royal Botanic Garden, Edinburgh, from 1956 to 1970[1] and Her Majesty's Botanist from 1966 to 1978. As an author, he is known as H.R. Fletcher.[2]