Macoun's reports from west attracted the notice of
Alfred Richard Cecil Selwyn, director of the
Geological Survey of Canada (GSC), and in 1879, the Government of Canada took the unusual step of officially appointing him "Explorer of the Northwest territories". In 1881, after the mission of the GSC had been expanded to include
natural history, he moved his family to
Ottawa and joined the GSC as "Botanist to the Geological and Natural History Survey of Canada". He remained with the GSC for 31 years and became an Assistant Director in 1887. In 1882 he became one of the charter members of the
Royal Society of Canada. Every summer was dedicated to fieldwork, and for the remainder of his life Macoun was a prolific collector and cataloguer of Canadian flora and fauna, even after suffering a debilitating
stroke in 1912. Macoun issued a number of
exsiccatae and exsiccata-like series, among them
Canadian Musci (1889-1893) and
Canadian Lichens (? 1900). To this day, over 100,000 samples from his collection of plants are housed in the National
Herbarium of Canada,
Canadian Museum of Nature, in Ottawa. Macoun died 18 July 1920 in
Sidney, British Columbia, and is interred in
Beechwood Cemetery in Ottawa.
Macoun marsh, on the cemetery's property, is named for him.
Mount Macoun, south of the
Rogers Pass is named for him as well. In 1896, N.L.Britton & A.Brown published
Macounastrum (in the family
Polygonaceae) in Macoun's honour, this is now a synonym of
Koenigia In 1974 botanist
Robert Root Ireland, published
Neomacounia nitida, or '''Macoun's shining moss'
, which is a moss, that was found only in a small area of Ontario, and the sole species in the genus Neomacounia''. This species is the only known
endemic Canadian plant to become extinct since the 16th century. == Bibliography ==